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22 Nov 2009
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Science News for 16 Apr 2009
Pioneering medical nanotechnology offers new cancer breakthrough hope
16 Apr 2009
University of Leicester team examine potential of new technology to pave way for development of a combined diagnosis/therapeutic strategy IMAGE: This is a transmission electron micrograph of the magnetic...
16 Apr 2009
University of Leicester team examine potential of new technology to pave way for development of a combined diagnosis/therapeutic strategy IMAGE: This is a transmission electron micrograph of the magnetic...
'Ocean glider' home after two-month voyage
16 Apr 2009
IMAGE: Electronics engineer Lindsay MacDonald (left) and oceanographer Ken Ridgway stand with the ocean glider, recovered east of the Tasman Peninsula on Tuesday after its two-month sampling the East Australian...
16 Apr 2009
IMAGE: Electronics engineer Lindsay MacDonald (left) and oceanographer Ken Ridgway stand with the ocean glider, recovered east of the Tasman Peninsula on Tuesday after its two-month sampling the East Australian...
Megadroughts in sub-Saharan Africa normal for the region
16 Apr 2009
Global warming may intensify the age-old pattern of recurring severe droughts IMAGE: Winston Wheeler, a researcher at the University of Arizona, collecting tree cores from a partially submerged tropical tree at...
16 Apr 2009
Global warming may intensify the age-old pattern of recurring severe droughts IMAGE: Winston Wheeler, a researcher at the University of Arizona, collecting tree cores from a partially submerged tropical tree at...
Scorpion venom with nanoparticles slows spread of brain cancer
16 Apr 2009
IMAGE: Tumor cells treated with nanoparticles plus chlorotoxin were the only ones unable to elongate and slip through the body, as shown in the third column. The other columns show cancer... Click here for...
16 Apr 2009
IMAGE: Tumor cells treated with nanoparticles plus chlorotoxin were the only ones unable to elongate and slip through the body, as shown in the third column. The other columns show cancer... Click here for...
K-State using Second Life island to help high school students learn earth science
16 Apr 2009
IMAGE: TerraWorld, an island in Second Life, is helping students learn geology in an interactive ways. Seeing different life forms, like this dinosaur, indicates which time period their avatars are in. Click...
16 Apr 2009
IMAGE: TerraWorld, an island in Second Life, is helping students learn geology in an interactive ways. Seeing different life forms, like this dinosaur, indicates which time period their avatars are in. Click...
New study warns damage to forests from climate change could cost the planet its major keeper of...
16 Apr 2009
At UN forum on forests, scientists release analysis showing forests at risk of becoming net sources of carbon instead of net sinks IMAGE: Efforts to manage tropical forests more sustainably must take into...
16 Apr 2009
At UN forum on forests, scientists release analysis showing forests at risk of becoming net sources of carbon instead of net sinks IMAGE: Efforts to manage tropical forests more sustainably must take into...
Singapore scientists synthesize gold to shed light on cells' inner workings
16 Apr 2009
Highly fluorescent gold nanoclusters for sub-cellular imaging Highly fluorescent gold nanoclusters for sub-cellular imaging have been synthesized by researchers at the Institute of Bioengineering and Nanotechnology (IBN), one of the research...
16 Apr 2009
Highly fluorescent gold nanoclusters for sub-cellular imaging Highly fluorescent gold nanoclusters for sub-cellular imaging have been synthesized by researchers at the Institute of Bioengineering and Nanotechnology (IBN), one of the research...
'Ocean glider' home after 2-month voyage
16 Apr 2009
IMAGE: Electronics engineer Lindsay MacDonald (left) and oceanographer Ken Ridgway stand with the ocean glider, recovered east of the Tasman Peninsula on Tuesday after its two-month sampling the East Australian...
16 Apr 2009
IMAGE: Electronics engineer Lindsay MacDonald (left) and oceanographer Ken Ridgway stand with the ocean glider, recovered east of the Tasman Peninsula on Tuesday after its two-month sampling the East Australian...
Severity, length of past megadroughts dwarf recent drought in West Africa
16 Apr 2009
IMAGE: Winston Wheeler, researcher at the University of Arizona, collecting samples from a partially submerged tropical tree at Lake Bosumtwi, Ghana. A submerged forest in the lake provides evidence for...
16 Apr 2009
IMAGE: Winston Wheeler, researcher at the University of Arizona, collecting samples from a partially submerged tropical tree at Lake Bosumtwi, Ghana. A submerged forest in the lake provides evidence for...
Cosmic heavyweights in free-for-all
16 Apr 2009
IMAGE: A labeled version of the MACSJ0717 image shows the galaxies in the four different clusters -- identified by the letters "A, " "B, " "C, " and "D " -- involved in the collision,... Click here for more...
16 Apr 2009
IMAGE: A labeled version of the MACSJ0717 image shows the galaxies in the four different clusters -- identified by the letters "A, " "B, " "C, " and "D " -- involved in the collision,... Click here for more...
Microbes thrive in harsh, isolated water under Antarctic glacier
16 Apr 2009
Newfound iron-breathing species have lived in cold isolation for millions of years CAMBRIDGE, Mass. -- A reservoir of briny liquid buried deep beneath an Antarctic glacier supports hardy microbes that have lived in isolation for millions of...
16 Apr 2009
Newfound iron-breathing species have lived in cold isolation for millions of years CAMBRIDGE, Mass. -- A reservoir of briny liquid buried deep beneath an Antarctic glacier supports hardy microbes that have lived in isolation for millions of...
Singapore researchers first to transform carbon dioxide into methanol
16 Apr 2009
'Green' method for sequestration and conversion of greenhouse gas Scientists at Singapore's Institute of Bioengineering and Nanotechnology (IBN) have succeeded in unlocking the potential of carbon dioxide – a common greenhouse gas –...
16 Apr 2009
'Green' method for sequestration and conversion of greenhouse gas Scientists at Singapore's Institute of Bioengineering and Nanotechnology (IBN) have succeeded in unlocking the potential of carbon dioxide – a common greenhouse gas –...
Novel CU-Boulder technique shrinks size of nanotechnology circuitry
16 Apr 2009
A University of Colorado at Boulder team has developed a new method of shrinking the size of circuitry used in nanotechnology devices like computer chips and solar cells by using two separate colors of light. Like current methods in the...
16 Apr 2009
A University of Colorado at Boulder team has developed a new method of shrinking the size of circuitry used in nanotechnology devices like computer chips and solar cells by using two separate colors of light. Like current methods in the...
West African droughts are the norm, not an anomaly
16 Apr 2009
Some droughts lasted centuries in the past, and a warming planet may make future droughts more devastating IMAGE: Large tropical trees stand where they once grew during severe droughts in Ghana. Click here for...
16 Apr 2009
Some droughts lasted centuries in the past, and a warming planet may make future droughts more devastating IMAGE: Large tropical trees stand where they once grew during severe droughts in Ghana. Click here for...
UH research team helps NASA improve navigation systems for lunar exploration
16 Apr 2009
Adaptability is the key to keeping track of explorers and vehicles and giving them good directions, investigators say If NASA is going to successfully establish a permanent human presence on the moon, it must be able to accurately track and...
16 Apr 2009
Adaptability is the key to keeping track of explorers and vehicles and giving them good directions, investigators say If NASA is going to successfully establish a permanent human presence on the moon, it must be able to accurately track and...
Penn scientists use RNA to reprogram 1 cell type into another
16 Apr 2009
Implications for cell-based personalized therapies for neurodegenerative diseases IMAGE: This photo shows a rat neuron with a micropipette inserting mRNAs directly onto the cell. After laser photoporation the...
16 Apr 2009
Implications for cell-based personalized therapies for neurodegenerative diseases IMAGE: This photo shows a rat neuron with a micropipette inserting mRNAs directly onto the cell. After laser photoporation the...
Gambling ban would reverse recession, new book says
16 Apr 2009
CHAMPAIGN, Ill. — Legalized gambling is weighing down a global economy already mired in its deepest downturn since the Great Depression, according to a new collection of research that renews decades-old calls to outlaw betting. The...
16 Apr 2009
CHAMPAIGN, Ill. — Legalized gambling is weighing down a global economy already mired in its deepest downturn since the Great Depression, according to a new collection of research that renews decades-old calls to outlaw betting. The...
Enforcing bans on cigarette sales to kids reduces youth smoking
16 Apr 2009
First-ever nationwide study finds that taxes and a national law prohibiting sale of tobacco to minors lower rates of teen smoking WASHINGTON, DC – A new study finds that enforcing federal and state laws against tobacco sales to minors...
16 Apr 2009
First-ever nationwide study finds that taxes and a national law prohibiting sale of tobacco to minors lower rates of teen smoking WASHINGTON, DC – A new study finds that enforcing federal and state laws against tobacco sales to minors...
NSF and China extend China's participation in East Asian Pacific Summer Institute Program
16 Apr 2009
IMAGE: EAPSI scholar Christopher Cherry studied the phenomenon of electric bikes in China. Click here for more information. During a visit to the National Science Foundation...
16 Apr 2009
IMAGE: EAPSI scholar Christopher Cherry studied the phenomenon of electric bikes in China. Click here for more information. During a visit to the National Science Foundation...
Putting the squeeze on an old material could lead to 'instant on' electronic memory
16 Apr 2009
The technology of storing electronic information – from old cassette tapes to shiny laptop computers – has been a major force in the electronics industry for decades. Low-power, high-efficiency electronic memory could be the...
16 Apr 2009
The technology of storing electronic information – from old cassette tapes to shiny laptop computers – has been a major force in the electronics industry for decades. Low-power, high-efficiency electronic memory could be the...
Ancient ecosystem thrives millions of years below Antarctic glacier
16 Apr 2009
BOZEMAN, Mont. -- Scientists have found an ancient ecosystem below an Antarctic glacier and learned that it survived millions of years by transforming sulfur and iron compounds for growth. Described in the April 17 issue of Science, the...
16 Apr 2009
BOZEMAN, Mont. -- Scientists have found an ancient ecosystem below an Antarctic glacier and learned that it survived millions of years by transforming sulfur and iron compounds for growth. Described in the April 17 issue of Science, the...
MSU nursing researcher targets physical activity among girls with grant
16 Apr 2009
Study to focus on counseling, after-school activities IMAGE: MSU College of Nursing professor Lorraine Robbins is seen at a Lansing middle school. Robbins is working with middle school-age girls on physical...
16 Apr 2009
Study to focus on counseling, after-school activities IMAGE: MSU College of Nursing professor Lorraine Robbins is seen at a Lansing middle school. Robbins is working with middle school-age girls on physical...
Mystery shoppers cut underage smoking
16 Apr 2009
Enforcement of laws against the sale of cigarettes to minors does result in a reduction in underage smoking. Research published in the open access journal BMC Public Health provides the first evidence that enforcement programmes can be...
16 Apr 2009
Enforcement of laws against the sale of cigarettes to minors does result in a reduction in underage smoking. Research published in the open access journal BMC Public Health provides the first evidence that enforcement programmes can be...
How to deflect asteroids and save the Earth
16 Apr 2009
You may want to thank David French in advance. Because, in the event that a comet or asteroid comes hurtling toward Earth, he may be the guy responsible for saving the entire planet. French, a doctoral candidate in aerospace engineering at...
16 Apr 2009
You may want to thank David French in advance. Because, in the event that a comet or asteroid comes hurtling toward Earth, he may be the guy responsible for saving the entire planet. French, a doctoral candidate in aerospace engineering at...
AAI honors Chen Dong for breakthrough T lymphocyte research
16 Apr 2009
Discoveries are key to autoimmune disease and a potential weapon against cancer IMAGE: This is Chen Dong, Ph.D., from the University of Texas M. D. Anderson Cancer Center. Click here for more...
16 Apr 2009
Discoveries are key to autoimmune disease and a potential weapon against cancer IMAGE: This is Chen Dong, Ph.D., from the University of Texas M. D. Anderson Cancer Center. Click here for more...
New nucleotide could revolutionize epigenetics
16 Apr 2009
The discovery of a new nucleotide in the mouse brain opens the door to a new domain of epigenetic DNA modification Anyone who studied a little genetics in high school has heard of adenine, thymine, guanine and cytosine – the A,T,G and C...
16 Apr 2009
The discovery of a new nucleotide in the mouse brain opens the door to a new domain of epigenetic DNA modification Anyone who studied a little genetics in high school has heard of adenine, thymine, guanine and cytosine – the A,T,G and C...
1 class increases odds of college graduation for struggling students
16 Apr 2009
SAN DIEGO – A researcher at Ohio State University has developed a course on learning and motivation strategies that actually increases the odds that struggling first-year students will graduate. Students in academic difficulty who took...
16 Apr 2009
SAN DIEGO – A researcher at Ohio State University has developed a course on learning and motivation strategies that actually increases the odds that struggling first-year students will graduate. Students in academic difficulty who took...
Study shows simple writing assignment improves minority student grades
16 Apr 2009
In a follow-up to a 2006 study, a University of Colorado at Boulder researcher and his colleagues found that an in-class writing assignment designed to reinforce students' sense of identity and personal integrity increased the grade-point...
16 Apr 2009
In a follow-up to a 2006 study, a University of Colorado at Boulder researcher and his colleagues found that an in-class writing assignment designed to reinforce students' sense of identity and personal integrity increased the grade-point...
The story of X -- evolution of a sex chromosome
16 Apr 2009
First evolutionary study of X chromosome shows how X compensates for degeneration of Y Berkeley -- Move over, Y chromosome – it's time X got some attention. In the first evolutionary study of the chromosome associated with being female,...
16 Apr 2009
First evolutionary study of X chromosome shows how X compensates for degeneration of Y Berkeley -- Move over, Y chromosome – it's time X got some attention. In the first evolutionary study of the chromosome associated with being female,...
Leading cancer organizations team up on tumor-promoting protein
16 Apr 2009
AACR and ASCO begin joint symposia at annual meetings with focus on COX-2 An inflammatory protein implicated in a variety of cancers is the target of the first joint symposium between the nation's two premier cancer research organizations. The...
16 Apr 2009
AACR and ASCO begin joint symposia at annual meetings with focus on COX-2 An inflammatory protein implicated in a variety of cancers is the target of the first joint symposium between the nation's two premier cancer research organizations. The...
Museum specimens aid conservation effort in Madagascar
16 Apr 2009
Records test competing theories about the evolution of local species IMAGE: This is the chameleon species Furcifer petteri from Madagascar, which was part of the new research. Click here for more...
16 Apr 2009
Records test competing theories about the evolution of local species IMAGE: This is the chameleon species Furcifer petteri from Madagascar, which was part of the new research. Click here for more...
New GSA volume analyzes early geological experimentation and its role in the emergence of geoscience
16 Apr 2009
IMAGE: This is the cover of "The World in a Crucible: Laboratory Practice and Geological Theory at the Beginning of Geology, " by Sally Newcomb. Click here for more...
16 Apr 2009
IMAGE: This is the cover of "The World in a Crucible: Laboratory Practice and Geological Theory at the Beginning of Geology, " by Sally Newcomb. Click here for more...
Illegal trade devastates Sumatran orangutan population, TRAFFIC report says
16 Apr 2009
Weak law enforcement and low penalties encourage trade Lack of law enforcement against illegal trade in Indonesia threatens the survival of orangutans and gibbons on Sumatra, a new study by the wildlife trade monitoring network TRAFFIC...
16 Apr 2009
Weak law enforcement and low penalties encourage trade Lack of law enforcement against illegal trade in Indonesia threatens the survival of orangutans and gibbons on Sumatra, a new study by the wildlife trade monitoring network TRAFFIC...
EAU position statement on screening for prostate cancer
16 Apr 2009
Arnhem, April 2009 -- The European Association of Urology (EAU) has taken into consideration the recent scientific information on randomised screening studies on prostate cancer (Schröder et al, NEJM 2009). Based on the results of the...
16 Apr 2009
Arnhem, April 2009 -- The European Association of Urology (EAU) has taken into consideration the recent scientific information on randomised screening studies on prostate cancer (Schröder et al, NEJM 2009). Based on the results of the...
Features of early Martian environment and presence of water drive search for life forms
16 Apr 2009
New Rochelle, April 16, 2009–Solar energy and winds, collisions with asteroids and comets, and changing magnetic fields have all altered the environment of Mars, a planet that may have been able to support life during its history, as...
16 Apr 2009
New Rochelle, April 16, 2009–Solar energy and winds, collisions with asteroids and comets, and changing magnetic fields have all altered the environment of Mars, a planet that may have been able to support life during its history, as...
Implementing sustainable technology to monitor the integrity of the nation's bridges
16 Apr 2009
University of Miami engineers are using a wireless monitoring system for analyzing the safety of older bridges while harvesting wind and structural vibrations as its sources of power IMAGE: Pictured here are...
16 Apr 2009
University of Miami engineers are using a wireless monitoring system for analyzing the safety of older bridges while harvesting wind and structural vibrations as its sources of power IMAGE: Pictured here are...
Worms control lifespan at high temperatures, UCSF study finds
16 Apr 2009
IMAGE: Cynthia Kenyon, PhD, is a professor at University of California - San Francisco. Click here for more information. The common research worm, C. elegans, is able to use...
16 Apr 2009
IMAGE: Cynthia Kenyon, PhD, is a professor at University of California - San Francisco. Click here for more information. The common research worm, C. elegans, is able to use...
Huntington disease begins to take hold early on
16 Apr 2009
Appearing in the April 2009 issue of MCP A global analysis of brain proteins over a 10-week period in a mouse model of Huntington Disease has revealed some new insights into this complex neurodegenerative disorder. For example, profound changes...
16 Apr 2009
Appearing in the April 2009 issue of MCP A global analysis of brain proteins over a 10-week period in a mouse model of Huntington Disease has revealed some new insights into this complex neurodegenerative disorder. For example, profound changes...
Earth Day 2009: Green technologies and buildings bloom on the National Mall
16 Apr 2009
(Washington, D.C. – April 17, 2009) On April 18, 2009, EPA will hold the 5th Annual National Sustainable Design Expo, which will display new sustainable or green technologies. More than 40 college teams and other exhibitors from...
16 Apr 2009
(Washington, D.C. – April 17, 2009) On April 18, 2009, EPA will hold the 5th Annual National Sustainable Design Expo, which will display new sustainable or green technologies. More than 40 college teams and other exhibitors from...
Scientists discover new chemical reaction for DNA production in bacteria and viruses
16 Apr 2009
Findings could help lead to development of new antibacterial and antiviral drugs IMAGE: This is a cartoon diagram of an enzyme, an example of the class of FDTS enzymes. Click here for more...
16 Apr 2009
Findings could help lead to development of new antibacterial and antiviral drugs IMAGE: This is a cartoon diagram of an enzyme, an example of the class of FDTS enzymes. Click here for more...
Study explores roots of ethnic violence
16 Apr 2009
Excluding ethnic groups from power a recipe for civil war, researchers say A new UCLA-led study challenges the popular perception that ethnic diversity is to blame for sectarian conflicts in Iraq and Northern Ireland, recent tensions in Tibet,...
16 Apr 2009
Excluding ethnic groups from power a recipe for civil war, researchers say A new UCLA-led study challenges the popular perception that ethnic diversity is to blame for sectarian conflicts in Iraq and Northern Ireland, recent tensions in Tibet,...
World premiere in stem cell research in Montreal
16 Apr 2009
Researchers at IRIC succeed in multiplying blood cells in the lab, accelerating the development of novel treatments for patients waiting for a bone marrow transplant A team from the Institute for Research in Immunology and Cancer (IRIC) at...
16 Apr 2009
Researchers at IRIC succeed in multiplying blood cells in the lab, accelerating the development of novel treatments for patients waiting for a bone marrow transplant A team from the Institute for Research in Immunology and Cancer (IRIC) at...
Origins of sulfur in rocks tells early oxygen story
16 Apr 2009
Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced sulfur dioxide in an oxygen poor atmosphere. Now a...
16 Apr 2009
Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced sulfur dioxide in an oxygen poor atmosphere. Now a...
Emory study yields clue to how stem cells form
16 Apr 2009
IMAGE: This is a KDM1 enzyme in a dissected worm gonad. Click here for more information. An Emory University study shows some of the first direct evidence of a process required...
16 Apr 2009
IMAGE: This is a KDM1 enzyme in a dissected worm gonad. Click here for more information. An Emory University study shows some of the first direct evidence of a process required...
Survival mode that protects cells when oxygen is low also slows aging
16 Apr 2009
Longer life is accompanied by fewer degenerative diseases VIDEO: Dr. Matt Kaeberlein of the University of Washington Department of Pathology explains his lab's discovery of a biochemical pathway associated with...
16 Apr 2009
Longer life is accompanied by fewer degenerative diseases VIDEO: Dr. Matt Kaeberlein of the University of Washington Department of Pathology explains his lab's discovery of a biochemical pathway associated with...
What do neurologists do for entertainment?
16 Apr 2009
They will play 'Neurobowl' at AAN Annual Meeting MAYWOOD, Il. -- One of the highlights of the annual meeting of the American Academy of Neurology is "Neurobowl®," a competition modeled after TV quiz shows. Like a quiz show, Neurobowl...
16 Apr 2009
They will play 'Neurobowl' at AAN Annual Meeting MAYWOOD, Il. -- One of the highlights of the annual meeting of the American Academy of Neurology is "Neurobowl®," a competition modeled after TV quiz shows. Like a quiz show, Neurobowl...
Researchers find lack of key molecule leads to deafness
16 Apr 2009
IMAGE: Purdue research assistant Deborah Biesemeier, at left, and professor of biological sciences Donna Fekete stand in a zebrafish holding facility. Fekete and Biesemeier used zebrafish to identify key...
16 Apr 2009
IMAGE: Purdue research assistant Deborah Biesemeier, at left, and professor of biological sciences Donna Fekete stand in a zebrafish holding facility. Fekete and Biesemeier used zebrafish to identify key...
Colorectal cancer risks quantified
16 Apr 2009
Although the presenting features of colorectal cancer are well known, the risks they confer are less well defined. New research published in the open access journal BMC Medicine describes the exact risks posed by eight clinical features for...
16 Apr 2009
Although the presenting features of colorectal cancer are well known, the risks they confer are less well defined. New research published in the open access journal BMC Medicine describes the exact risks posed by eight clinical features for...
JILA/NIST scientists get a grip on colliding fermions to enhance atomic clock accuracy
16 Apr 2009
IMAGE: NIST physicist Jun Ye adjusts the laser setup for a strontium atomic clock at JILA, a joint institute of NIST and the University of Colorado at Boulder. Click here for more...
16 Apr 2009
IMAGE: NIST physicist Jun Ye adjusts the laser setup for a strontium atomic clock at JILA, a joint institute of NIST and the University of Colorado at Boulder. Click here for more...
Who should policy makers listen to?
16 Apr 2009
Government researchers and practitioners meet to discuss the future of social research and public policy While public policy aims to resolve social issues such as social exclusion, crime, welfare and poverty, a recent report from the British...
16 Apr 2009
Government researchers and practitioners meet to discuss the future of social research and public policy While public policy aims to resolve social issues such as social exclusion, crime, welfare and poverty, a recent report from the British...
When every photon counts: unusual cell nuclei help nocturnal animals see better
16 Apr 2009
This press release is available in German. The eyes of nocturnal mammals have very large numbers of highly-sensitive rod photoreceptors (the cell type responsible for night vision). They have to perceive light which is less than a millionth...
16 Apr 2009
This press release is available in German. The eyes of nocturnal mammals have very large numbers of highly-sensitive rod photoreceptors (the cell type responsible for night vision). They have to perceive light which is less than a millionth...
Researchers tie crest size to seabirds' suitability as a mate
16 Apr 2009
IMAGE: These courting auklets stand on a rock on St. Lawrence Island in June 2007. The male auklet is on the left. Click here for more information. Fairbanks, Alaska—A...
16 Apr 2009
IMAGE: These courting auklets stand on a rock on St. Lawrence Island in June 2007. The male auklet is on the left. Click here for more information. Fairbanks, Alaska—A...
A step closer to an ultra precise atomic clock
16 Apr 2009
IMAGE: These are ultracold strontium atoms. Click here for more information. A clock that is so precise that it loses only a second every 300 million years – this is the...
16 Apr 2009
IMAGE: These are ultracold strontium atoms. Click here for more information. A clock that is so precise that it loses only a second every 300 million years – this is the...
Yale researchers uncover secrets of salmonella's stealth attack
16 Apr 2009
A single crafty protein allows the deadly bacterium Salmonella enterica to both invade cells lining the intestine and hijack cellular functions to avoid destruction, Yale researchers report in the April 17 issue of the journal Cell. This...
16 Apr 2009
A single crafty protein allows the deadly bacterium Salmonella enterica to both invade cells lining the intestine and hijack cellular functions to avoid destruction, Yale researchers report in the April 17 issue of the journal Cell. This...
New therapeutic target for melanoma identified
16 Apr 2009
(PHILADELPHIA) A protein called Mcl-1 plays a critical role in melanoma cell resistance to a form of apoptosis called anoikis, according to research published this week in Molecular Cancer Research. The presence of Mcl-1 causes cell...
16 Apr 2009
(PHILADELPHIA) A protein called Mcl-1 plays a critical role in melanoma cell resistance to a form of apoptosis called anoikis, according to research published this week in Molecular Cancer Research. The presence of Mcl-1 causes cell...
UI chemists' DNA biosynthesis discovery could lead to better antibiotics
16 Apr 2009
Combating several human pathogens, including some biological warfare agents, may one day become a bit easier thanks to research reported by a University of Iowa chemist and his colleagues in the April 16 issue of the journal Nature. Amnon...
16 Apr 2009
Combating several human pathogens, including some biological warfare agents, may one day become a bit easier thanks to research reported by a University of Iowa chemist and his colleagues in the April 16 issue of the journal Nature. Amnon...
Safe exercise for migraine sufferers
16 Apr 2009
IMAGE: Jane Carlsson is a professor in physiotherapy at Sahlgrenska Academy. Click here for more information. Many patients who suffer from migraines avoid taking aerobic...
16 Apr 2009
IMAGE: Jane Carlsson is a professor in physiotherapy at Sahlgrenska Academy. Click here for more information. Many patients who suffer from migraines avoid taking aerobic...
How life-threatening blood clots take hold
16 Apr 2009
When plaques coating blood vessel walls rupture and expose collagen, platelets spring into action to form a blood clot at the damaged site. Now, a new report in the April 17th issue of the journal Cell, a Cell Press publication, reveals how...
16 Apr 2009
When plaques coating blood vessel walls rupture and expose collagen, platelets spring into action to form a blood clot at the damaged site. Now, a new report in the April 17th issue of the journal Cell, a Cell Press publication, reveals how...
'First aid' for brain cells comes from blood
16 Apr 2009
Immune cells protect the brain from further damage after a stroke / Article by Heidelberg researchers in Nature Medicine In acute ischemic stroke, the blood supply to the brain is restricted. Initially, brain cells die from lack of oxygen. In...
16 Apr 2009
Immune cells protect the brain from further damage after a stroke / Article by Heidelberg researchers in Nature Medicine In acute ischemic stroke, the blood supply to the brain is restricted. Initially, brain cells die from lack of oxygen. In...
Immigrant women may be at higher risk of having a baby with a birth defect
16 Apr 2009
TORONTO, Ont., April 16 2009 — Immigrant women are less likely to use folic acid supplements before pregnancy to prevent spina bifida, particularly those who recently immigrated to the country, according to a new study led by a St....
16 Apr 2009
TORONTO, Ont., April 16 2009 — Immigrant women are less likely to use folic acid supplements before pregnancy to prevent spina bifida, particularly those who recently immigrated to the country, according to a new study led by a St....
Linked angina relates with gastroesophageal reflux diseases?
16 Apr 2009
It is well known that non-cardiac chest pain is closely related to gastroesophageal reflux diseases (GERD). Chest pain of esophageal origin can be difficult to distinguish from that caused by cardiac ischemia because the distal esophagus and...
16 Apr 2009
It is well known that non-cardiac chest pain is closely related to gastroesophageal reflux diseases (GERD). Chest pain of esophageal origin can be difficult to distinguish from that caused by cardiac ischemia because the distal esophagus and...
A secret to night vision found in DNA's unconventional 'architecture'
16 Apr 2009
Researchers have discovered an important element for making night vision possible in nocturnal mammals: the DNA within the photoreceptor rod cells responsible for low light vision is packaged in a very unconventional way, according to a report...
16 Apr 2009
Researchers have discovered an important element for making night vision possible in nocturnal mammals: the DNA within the photoreceptor rod cells responsible for low light vision is packaged in a very unconventional way, according to a report...
Unusual Antarctic microbes live life on a previously unsuspected edge
16 Apr 2009
That descendents of marine creatures appear to have thrived in cold, darkness and lack of air for a million years has implications for the search for life elsewhere in the solar system IMAGE: This is a...
16 Apr 2009
That descendents of marine creatures appear to have thrived in cold, darkness and lack of air for a million years has implications for the search for life elsewhere in the solar system IMAGE: This is a...
Shedding some light on Parkinson's treatment
16 Apr 2009
Scientists use optical approach to study deep brain stimulation IMAGE: Optogenetics helps identify cellular targets of deep brain stimulation. Click here for more information. A...
16 Apr 2009
Scientists use optical approach to study deep brain stimulation IMAGE: Optogenetics helps identify cellular targets of deep brain stimulation. Click here for more information. A...
A novel method of isolating high quality RNA from Kupffer cells
16 Apr 2009
Kupffer cells, resident tissue macrophages that line the liver sinusoids, play a key role in modulating inflammation in a number of experimental models of liver injury. Since Kupffer cells represent only a small portion of the entire liver...
16 Apr 2009
Kupffer cells, resident tissue macrophages that line the liver sinusoids, play a key role in modulating inflammation in a number of experimental models of liver injury. Since Kupffer cells represent only a small portion of the entire liver...
Pelvic pain as prevalent in teens as older males, Queen's researchers discover
16 Apr 2009
Study shows that boys suffer chronic pain symptoms, depression Kingston, ON – A Queen's University research team has found that a painful pelvic affliction associated with adult men occurs as frequently in adolescent boys. Chronic...
16 Apr 2009
Study shows that boys suffer chronic pain symptoms, depression Kingston, ON – A Queen's University research team has found that a painful pelvic affliction associated with adult men occurs as frequently in adolescent boys. Chronic...
Cold and brown fat raise the prospect of a new method of treating obesity
16 Apr 2009
IMAGE: Sven Enerbäck is a professor at the Institute of Biomedicine at the Sahlgrenska Academy, University of Gothenburg, Sweden. Click here for more information. Sven...
16 Apr 2009
IMAGE: Sven Enerbäck is a professor at the Institute of Biomedicine at the Sahlgrenska Academy, University of Gothenburg, Sweden. Click here for more information. Sven...
Could senna improve the quality of colonoscopy preparation with magnesium citrate?
16 Apr 2009
Inadequate cleansing of the colon has an adverse effect on procedure time, safety, completion rate and diagnostic accuracy. Until now, it has been unclear whether the combination of the stimulant laxative, senna, and the osmotic laxative,...
16 Apr 2009
Inadequate cleansing of the colon has an adverse effect on procedure time, safety, completion rate and diagnostic accuracy. Until now, it has been unclear whether the combination of the stimulant laxative, senna, and the osmotic laxative,...
A potential therapeutic target for gastric cancer
16 Apr 2009
Gastric cancer (GC) is the fourth most common malignancy and the second most frequent cause of cancer-related death in the world. The carcinogenesis of GC involved numerous genetic and epigenetic alterations, as well as many environmental risk...
16 Apr 2009
Gastric cancer (GC) is the fourth most common malignancy and the second most frequent cause of cancer-related death in the world. The carcinogenesis of GC involved numerous genetic and epigenetic alterations, as well as many environmental risk...
Study points to disruption of copper regulation as key to prion diseases
16 Apr 2009
SANTA CRUZ, CA--An investigation of a rare, inherited form of Creutzfeldt-Jakob disease suggests that disrupted regulation of copper ions in the brain may be a key factor in this and other prion diseases. Researchers at the University of...
16 Apr 2009
SANTA CRUZ, CA--An investigation of a rare, inherited form of Creutzfeldt-Jakob disease suggests that disrupted regulation of copper ions in the brain may be a key factor in this and other prion diseases. Researchers at the University of...
Jet lag disturbs sleep by upsetting internal clocks in 2 neural centers
16 Apr 2009
Jet lag is the bane of many travelers, and similar fatigue can plague people who work in rotating shifts. Scientists know the problem results from disruption to the body's normal rhythms and are getting closer to a better understanding that...
16 Apr 2009
Jet lag is the bane of many travelers, and similar fatigue can plague people who work in rotating shifts. Scientists know the problem results from disruption to the body's normal rhythms and are getting closer to a better understanding that...
Alpha-fetoprotein can affect the development of rat colons?
16 Apr 2009
Mammalian alpha-fetoprotein (AFP) is a single-chain glycoprotein and altered serum AFP levels have been observed concurrent with aberrant growth manifestations in some congenital defects and cancer. The gut development during late gestation...
16 Apr 2009
Mammalian alpha-fetoprotein (AFP) is a single-chain glycoprotein and altered serum AFP levels have been observed concurrent with aberrant growth manifestations in some congenital defects and cancer. The gut development during late gestation...
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