Searching for a new food source is a big decision for a worm, based on hunger, dining companions, oxygen availability, and, according to a new study, genetics.
The 2011 prize honors Elaine Fuchs, James Thomson, and Shinya Yamanaka for pioneering work in isolating human stem cells.
Flickering black and white movies show components of the spliceosome coming and going from bits of RNA as they await processing.
The clear and watery substance that bathes the brain and spinal cord is enough to support the growth of neural stem cells in the lab.
Specific traits that distinguish humans from their closest living relatives can be attributed to the loss of chunks of DNA that control when and where genes are turned on.
With the flick of a genetic light switch, researchers have reduced symptoms of anxiety in laboratory mice.
A new genetic method for labeling cells transforms the tangles of neurons within the brain of a fruit fly into fantastic rainbows of color.
Janelia researchers create a new microscope that uses a thin sheet of light to reveal the dynamic inner life of cells.
Triple-negative tumors lack three traits that can be targeted by available breast cancer treatments. But new findings suggest treatment possibilities for these aggressive cancers may be at hand.
A newly identified genetic marker appears to predict a diagnosis of post-traumatic stress disorder in women, but not in men.
A rapid new method of blocking gene function is letting researchers dissect how stem cell progenitors in the skin split their energy between creating copies of themselves and crafting specialized new cells.
A corrective strategy used by astronomers to sharpen images of celestial bodies can now help scientists see with more depth and clarity into the living brain of a mouse.
Scientists have used next-generation DNA sequencing tools to identify a mutation in a gene that underlies one of the most common forms of severe hypertension.
Neurons that control aggression and mating are closely intertwined deep within the brain.
Researchers gain a new view of how genes are converted to protein by freezing the action during the earliest stage of the process.
Researchers at Stanford University have discovered that they may be able to tweak cancer cells so that they summon their own demise.
In mice with light-sensitive neurons in their brain, illuminating one type of neuron drives the animals to their food bowls, whereas targeting a different type makes them abstain.
After a rapid genetic analysis of bacteria collected from Haitian patients, scientists conclude that the strain of cholera currently sweeping through post-earthquake Haiti originated in South Asia.
HHMI has launched an international competition to select up to 35 early career scientists working at academic institutions in 18 countries on five continents.
A study in fruit flies shows that turning back the clock on aging muscles delays aging in the whole animal.
Safe and effective vaccines could complement efforts to treat those already infected with cholera and provide clean water and sanitation to control its spread.
A new study has pinned some of the symptoms of Rett syndrome to a set of neurons that usually work to rein in nerve cell firing in the brain.
New research suggests rising temperatures in the highlands of East Africa are at least partly to blame for the increase in malaria transmission in recent decades.
A previously overlooked group of cells has been shown to be essential in helping adult stem cells multiply and revitalize damaged tissue.
Through an international study of the genome in persons who control HIV without the need for medications, scientists have identified a handful of amino acids that seem to predict a person’s ability to successfully keep the virus in check.
Researchers have shown that radiation-resistance among tumor stem cells can be dramatically lowered by heating them up.
A new analysis of gene duplication across the human genome reveals far more variation in gene copy number than anticipated.
Research in mice suggests that manipulating a single molecule might help eliminate fears that have been etched into memory.
A new study reveals that many pancreatic tumors take nearly 20 years to become lethal after the first genetic perturbations appear, suggesting an opportunity for early diagnosis.
A pair of international research scholars has discovered a deep connection between the circadian clocks of plants and animals.
Dos becarios internacionales de investigación descubren una profunda conexión entre el reloj circadiano de plantas y animales: un gen que está involucrado en la creación de formas alternativas de proteínas relacionadas con el ritmo circadiano.
Susan Lindquist, an HHMI investigator, and Stephen Benkovic, a member of HHMI's Scientific Review Board, are among ten recipients of this year's National Medal of Science.
Cellular clocks throughout the body are precisely synchronized by tiny fluctuations in body temperature.
Laboratory studies of planarians' reproductive cycles suggest new strategies for treating infections that affect hundreds of millions worldwide.
Four HHMI investigators, an HHMI early career scientist, and a senior fellow at Janelia Farm have been elected to the IOM.
The discovery of an odd couple of genes that team up to trigger rare and difficult-to-detect gastrointestinal stromal tumors could eventually lead to better diagnostics and treatments.
Researchers are inching their way toward a new HIV vaccine strategy by studying the cells of people who have naturally strong immune defenses against the virus.
HHMI and the Gordon and Betty Moore Foundation announce a new partnership to support some of the nation's most innovative plant scientists.
Jeffrey Friedman and Douglas Coleman are being honored for discoveries that led to the identification of leptin, a hormone that regulates appetite and body weight.
Mutations that supercharge a cellular garbage disposal may explain why cancer cells can thrive even as their genetic material multiplies out of control.
A targeted search combined with today's rapid DNA sequencing technology leads researchers to a genetic culprit for a rare disease.
Researchers have new details of how an enzyme helps bacteria slice up foreign genetic material.
Most of the clear cell ovarian carcinoma samples examined in a new study carried a gene mutation that alters the epigenetics of cells.
HHMI researchers have found that malaria parasites can produce multiple versions of a protein that causes infected blood cells to grab onto the inner wall of blood vessels.
Multiple jury prizes were awarded in recognition of contributions advancing technology to automate an important but tedious component of neuroscience research.
If Howard Chang has his way, there will soon be an iPhone app for dialing in RNA structures.
A handful of antibiotic-resistant bacteria can protect an entire colony.
A rare skin disease provides the first example of a disease-causing mutation that spontaneously reverts, producing healthy skin.
With the help of yeast and fruit flies, researchers have identified a distorted gene that appears to be among the most common genetic risk factors for amyotrophic laterial sclerosis (ALS), the devastating neurodegenerative disease also known as Lou Gehrig's disease.
Health officials have held off from recommending an inexpensive malaria drug for widespread use because of concerns about drug resistance. New research drawn from 10 years of field and laboratory studies suggests the drug may be a safe and effective way to prevent malaria.