Policy also requires ethics review for any grant applications to the National Institutes of Health that involve fetal tissue
Anthropologists found parasite eggs in ancient poop samples, providing a glimpse of human health as hunter-gatherers transitioned to settlements. Christopher Intagliata reports.
A new study used machine learning to show how “all mutations are not created equal”
The now-extinct animals once lived from Florida to Alaska, and weighed as up to 100 kilograms
How DNA is used to store—and generate—information at extreme scales
Why dolphins, seals and other animals developed the capacity to sleep with half their brain awake
Minnesota white-tailed deer have found an unlikely ally in bats, which eat the biting flies the deer attract
A novel mechanism has been discovered in the bucktoothed rodents’ ability to withstand hurt
A springtime science activity from Science Buddies
The health promises of boosting an important metabolic molecule may be clouded by its possible role in promoting cancer-cell growth
Some wild female bonobos introduce their sons to desirable females—then make sure their relations won’t be interrupted by competing males. Karen Hopkin reports.
A new imaging technique helps to distinguish different millipede species
Fish that are so small and shy that they escape attention may be the foundation of reefs’ outsize productivity
A sensational science project from Science Buddies
Understanding why living on the street seems to cause rapid aging could help homeless people—and governments
A study found that only a small percentage of bird beak shape variation is dependent on diet, with other factors like display and nest construction probably playing parts too.
Chewing gums discovered in western Sweden contain the oldest human DNA found in Scandinavia. Christopher Intagliata reports.
An inhalation activity from Science Buddies
An emerging class of drug could send some of medicine’s most troublesome protein targets to the cellular rubbish bin
After decades of assuming that pain processing is equivalent in all sexes, scientists are finding that different biological pathways can produce an “ouch!”