Scientists at the University of Oxford and the University of Chicago have constructed the world's first genetic map in chimpanzees of recombination - the exchange of genetic material within a chromosome that makes us all unique. The study, published today in Science Express, shows surprising differe...
In the past decade, results from large prospective cohort studies and the Women's Health Initiative (WHI) randomized placebo-controlled hormone therapy trials have substantially changed thoughts about how estrogen alone and estrogen plus progestin influence the risk of breast cancer, according to a ...
Astronomers using NASA's Hubble Space Telescope have found several examples of galaxies containing quasars, which act as gravitational lenses, amplifying and distorting images of galaxies aligned behind them.
Imagine a test that sifts through millions of molecules in a drop of a patient's blood to detect a telltale protein signature of a cancer subtype, or a drug ferry that doesn't release its toxic contents until it slips inside cancer cells.
Researchers and flight crew with NASA's Operation IceBridge, an airborne mission to study changes in polar ice, began another season of science activity with the start of the 2012 Arctic campaign on March 13. From mid-March through mid-May, a modified P-3 from NASA's Wallops Flight Facility in Wallo...
Many patients taking a widely prescribed class of oral cancer drugs are also using a variety of medications that could reduce the effectiveness of the cancer treatment or increase its toxic side effects, according to research by Medco Health Solutions Inc.
A new atlas and catalog of the entire infrared sky with more than a half-billion stars, galaxies and other objects captured by NASA's Wide-field Infrared Survey Explorer (WISE) mission was unveiled by NASA Wednesday.
In the spring of 1835, Charles Darwin was bitten in Argentina by a "great wingless black bug," he wrote in his diary. "It is most disgusting to feel soft wingless insects, about an inch long, crawling over one's body," Darwin wrote, "before sucking they are quite thin, but afterwards round & bloa...
Can the song of a small bird provide valuable insights into human stuttering and speech-related disorders and conditions, including autism and stroke?
Electrochemical capacitors (ECs), also known as supercapacitors or ultracapacitors, differ from regular capacitors that you would find in your TV or computer in that they store substantially higher amounts of charges. They have garnered attention as energy storage devices as they charge and discharg...
A group of the world's leading environmental scholars are sounding the alarm that human societies need to transform their national and international environmental institutions into a more coherent and robust planetary stewardship model in order to steer away from rapid and irreversible changes to th...
Less than 2 percent of low-income mothers met breastfeeding recommendations in a recent study - a drastic decline compared with a more affluent population - and a lack of support and available resources appears to play a key role