Meredith Knight

Bacteria have infiltrated sterile rooms NASA used to build space equipment. Studying what happens to them in outer space could ...

Protein in umbilical cord blood rejuvenates cells in the brain’s memory center, improving learning and memory in aging mice. Could ...

Evidence suggests our hominin ancestors turned to meat when climate change reduced resource-rich vegetation. The signatures of these changes may ...

Two-thirds of the gene mutations that cause cancer are due to random chance, according to a new study. But environmental ...

Testosterone therapy does little to counter the effects of aging. But it does have the potential to be harmful for ...

Using DNA collected from a crime scene, police can identify relatives of unidentified suspects through partial, or familial, matches. Legal ...

Scientists are in hot debate over whether it's possible to be obese without creating health risks. Two new studies take ...

Experiments show pig-human chimeras might be able to farm human organs for transplantation and disease research. But would it be ...

Confounding drug research, some people appear genetically programmed to believe the placebo they take during drug trials actually works ...

Cigarettes smoking causes lung, throat and larynx cancers–which makes sense because those tissues come directly into contact with smoke and ...

In many ways asexual reproduction is a better evolutionary strategy: only one parent is needed, and all of their genes ...

Big brains and narrow hips were long blamed for the relative helplessness of human babies at birth. But the energy ...

Female orgasms aren’t necessary for reproduction. A comparative evolution study suggests they once might have been ...

When we travel our gut bacteria can pick up antibiotic resistance genes in just two days. What does that mean ...

Scientists are slowly uncovering the genes and mechanisms that cause mental health disorders, but we are a long way from ...

Sonia Vallabh, a scientist, carries a rare mutation that normally causes a neurodegenerative disease. How likely is it she will ...

The procedure is typically targeted at parents who want to avoid passing a potentially fatal mitochondrial disease to their child ...

War has long been viewed as a way for societies to acquire wealth and power, even though it often doesn't ...

Scientists have extracted and sequenced DNA from 151 Egyptian mummies with more certainty than ever. They found that ancient Egyptians ...

DNA analysis of two ancient infants adds to evidence that humans stayed on the Bering strait for thousands of years ...

The pork industry is watching the potentially lucrative market that could be driven by a surge in demand for pigs ...

Allergic reactions to foods can strike young children without warning. Now, a controversial blood test may be able to detect ...

The root causes of the obesity epidemic remain elusive. Studying rare one-gene cases may provide clues to help scientists understand ...

Some prominent ethicists push for limiting the release of prenatal testing for fear the information could be used by parents ...

In a recent story that made headlines, a woman’s DNA test showed she was a descendant of a lost tribe ...

Gene-edited immune cells cure two British babies with childhood leukemia. But instead of patient-specific cells, doctors used cheaper universal cells ...

Gene-targeted treatments and immunotherapy offer great promise to cure cancer, but they work in less than half of patients and ...

Its power for discovering rare diseases is well proven. But genetics’ impact on public and preventative health has a long ...