When birds migrate, they can become attracted to and disoriented by artificial lights. The result: they end up colliding with skyscrapers and other buildings.
A biologist at Harvard was chatting with a colleague about a mentor who pushed him to do harder math problems. It turns out the colleague had the same mentor — and so did many others.
As the U.K. continues to debate the state of Brexit, NPR's Scott Simon looks at how a new discovery at Stonehenge might offer a lesson in coming together.
More than 50 animals were found in the tomb, along with mummies of a woman and a young boy. It's "one of the most exciting discoveries ever," Mostafa Waziri of the Supreme Council of Antiquities said.
In the study by Japanese researchers, cats reacted to their own name. Researchers say it's the first evidence showing cats can understand spoken words.
Some 11 million deaths annually are linked to diet-related diseases like diabetes and heart disease, a study finds. Researchers say that makes diet the leading risk factor for deaths around the world.