The Dsup protein protects DNA under conditions that create caustic free radical chemicals.
Fossils found near Medicine Hat, Alberta, expand the saber-tooth cat’s range by more than 600 miles
Humans have a history of status division stretching back at least 4,000 years
An experiment that partially revived slaughterhouse pig brains raises questions about the precise end point of life
William Kaelin, Jr., Peter Ratcliffe and Gregg Semenza share the 2019 Nobel Prize in Physiology or Medicine “for their discoveries of how cells sense and adapt to oxygen availability.” New therapies for cancer and conditions such as anemia are in the pipeline, based on these discoveries...
The 2019 Nobel Prize in Physiology or Medicine goes to William G. Kaelin, Jr., Peter J. Ratcliffe and Gregg L. Semenza “for their discoveries of how cells sense and adapt to oxygen availability.” They identified molecular machinery that regulates gene activity in response to changing levels of oxygen...
About 70 percent of our planet’s surface is covered with water, and it plays an important role in our daily lives. But how did water get on Earth in the first place?
Scientists found eight species of nematodes living in California’s harsh Mono Lake—quintupling the number of animals known to live there. Christopher Intagliata reports.
Real megalodons weren’t nearly as enormous as their silver-screen counterparts
By engineering mutations into fruit flies, scientists reconstructed how the bright orange butterflies came to tolerate milkweed toxins
A study suggests the phenomenon may have evolved from a mechanism for triggering ovulation
Chagnon’s views of the “fierce” Yanomamö and of the roots of war were more subtle than his critics or admirers suggested...
A skull found in China reveals a previously unknown flying reptile
A new analysis finds extinct wombat cousins were heftier and stranger than previously thought
At 466 million years ago, the breakup of a large space rock may have led to major changes in our planet’s biodiversity
In animal studies, a set of 42 genes involved in neural development, learning and memory, and cognition seems to be associated with monogamy
Homo erectus used hand axes to butcher elephants and other game. But a new study suggests they also used finer, more sophisticated blades. Christopher Intagliata reports.
Fossils and mathematical modeling are helping to answer long-standing questions about these bizarre animals
A smashed shell may have been crumpled by an ambling dinosaur