An Alarming Discovery in an Astronaut’s Bloodstream
A study has turned up a side effect of human spaceflight that no one had observed before.
Apes Might Know That You Don’t Know What They Know
The latest volley in a decades-long debate about apes’ theory of mind involved one scientist dressing up as King Kong and stealing from his colleague.
The Secret Identity of a Coyote-Like Creature
A photographer began shooting unusual-looking coyotes on Galveston Island. They turned out to be descended from a very rare wolf species.
The Chickens That Are Surrogates for Rare Breeds
A new way to revive rare breeds—and perhaps even endangered birds—from frozen cells
Why the Search for Dark Matter Depends on Ancient Shipwrecks
Errant particles from everyday radioactive materials are a major obstacle for particle physicists. The solution? Lead from the bottom of the sea.
The Yogurt Industry Has Been Using CRISPR for a Decade
Long before there were CRISPR babies, there was CRISPR dairy.
A Lesson for Ravens: Don’t Eat the Tortoises
Can fake tortoise shells teach predators to stop devouring soft-shelled juveniles?
The Oceans We Know Won’t Survive Climate Change
Sea-level rise will become unmanageable, and life will flee the world’s tropical oceans, if carbon pollution keeps rising, a new report from the UN climate panel says.
The Power of Fear in the Thawing Arctic
Living north of the Arctic Circle meant learning fear and its power to motivate in the face of danger—whether from a bear or climate change.
A Woman’s AncestryDNA Test Revealed a Medical Secret
As a cancer patient, she had received cord-blood cells from an anonymous donor. The DNA from those cells led her to him.