A new study comparing siblings who were fed differently during infancy suggests that breast-feeding might be no more beneficial than bottle-feeding for 10 of 11 long-term health and well-being outcomes in children age 4 to 14. The outlier was asthma, which was associated more with breast-feeding than with bottle-feeding.
Adult stem cells and cancer cells have many things in common, including an ability to migrate through tiny gaps in tissue. Both types of cells also experience a trade-off when it comes to this ability; having a flexible nucleus makes migration easier but is worse at protecting the nucleus’ DNA compared to a stiffer nucleus.
In December 2013, the U.S. Food and Drug Administration approved the first high-throughput DNA sequencer. Helping get the new device approved was another first: the initial use of a reference set of standard genotypes, or "coded blueprints" of a person's genetic traits.
Toddler obesity shrank sharply in the past decade, a new study suggests. While promising, it's not proof that the nation has turned a corner in the battle against childhood obesity, some experts say. The finding comes from a government study considered a gold-standard gauge of trends in the...
Genetic experts cautioned the U.S. government Tuesday that it could take decades to confirm the safety of an experimental fertilization technique that would create babies from the DNA of three people, with the aim of preventing children from inheriting some debilitating diseases. The Food and...
QImaging offers the optiMOS Scientific CMOS (sCMOS) camera for fluorescence microscopy. An alternative to traditional CCD cameras, optiMOS captures fast cellular dynamic events across a larger field of view without compromising sensitivity.
One of the hottest debates in evolutionary biology concerns the origin of behavior: is it genetically encoded or do animals and birds copy their parents or other individuals? A classic experiment published in 2000 seemed to provide overwhelming evidence that a particular behavioral choice (whether individuals of a species of swallow breed in a small colony or a large one) is largely genetically determined.
MIT engineers have developed a simple, cheap, paper test that could improve diagnosis rates and help people get treated earlier. The diagnostic, which works much like a pregnancy test, could reveal within minutes, based on a urine sample, whether a person has cancer.
Researchers report two breakthroughs in understanding lesions in the pancreas and its ducts and their role in pancreatic cancer: the development of the first mouse model that simulates a precursor lesion called intraductal papillary mucinous neoplasia (IPMN), and the identification of an enzyme, Brg1, that appears to help cause the formation of IPMN lesions while also suppressing another precursor lesion.
Acetaminophen provides many people with relief from headaches and sore muscles. When used appropriately, it is considered mostly harmless. Over recent decades, the drug has become the medication most commonly used by pregnant women for fevers and pain. Now, a long-term study by UCLA, in collaboration with the University of Aarhus in Denmark, has raised concerns about the use of acetaminophen during pregnancy.
The list of the chicken's most lasting legacies may eventually include advanced materials such as self-organizing colloids, or optics that can transmit light with the efficiency of a crystal and the flexibility of a liquid. The unusual arrangement of cells in a chicken's eye constitutes the first known biological occurrence of a potentially new state of matter known as "disordered hyperuniformity."
A new University of British Columbia study identifies an important molecular change that occurs in the brain when we learn and remember. The research shows that learning stimulates our brain cells in a manner that causes a small fatty acid to attach to delta-catenin, a protein in the brain. This biochemical modification is essential in producing the changes in brain cell connectivity associated with learning, the study finds.
A biologist at the University of York is part of an international team which has shown that advanced DNA sequencing technologies can be used to accurately measure the levels of inbreeding in wild animal populations. New research used high throughput sequencing, generating more than 10,000 genetic markers, to assess inbreeding in a captive mouse population as well as in wild harbor seals.
A recipe detailing how to make extraordinary stem cells from ordinary cells—just by "stressing" them with acid—will "soon" be posted for all to try, says Riken. This could settle much controversy surrounding the cells...or spur more. Meanwhile, there have been "anecdotes" of success.
The Food and Drug Administration has approved the first drug to treat a rare metabolic disorder characterized by abnormally low fat levels. The agency on Tuesday cleared Bristol-Myers Squibb's Myalept for patients with lipodystrophy, a condition in which people are born with little or no fat...