Science

The D.E.A. is increasing its quota for the popular stimulant as patients still struggle to fill prescriptions.The D.E.A. is increasing its quota for the popular stimulant as patients still struggle to fill prescriptions. Read More

“The Great Elephant Migration,” a touring public-art exhibition that has opened in New York, not only depicts wildlife but also helps save it.“The Great Elephant Migration,” a touring public-art exhibition that has opened in New York, not only depicts wildlife but also helps save it. Read More

The body mass index has long been criticized as a flawed indicator of health. A replacement has been gaining support: the body roundness index.The body mass index has long been criticized as a flawed indicator of health. A replacement has been gaining support: the body roundness index. Read More

Chimps and other apes have been observed making more than 80 meaningful gestures. Three theories have tried to explain why.Chimps and other apes have been observed making more than 80 meaningful gestures. Three theories have tried to explain why. Read More

Without bats to eat insects, farmers turned to more pesticides, a study found. That appears to have increased infant deaths.Without bats to eat insects, farmers turned to more pesticides, a study found. That appears to have increased infant deaths. Read More

Prodded by Oliver Sacks, he wrote a humane, award-winning book about the condition. A music maven, he also wrote liner notes for the Grateful Dead and his friend David Crosby.Prodded by Oliver Sacks, he wrote a humane, award-winning book about the condition. A music maven, he also wrote liner notes for the Grateful Dead and

The sites fight climate change and can help with another global crisis: the collapse of nature. But so far, efforts to nurture wildlife habitat have been spotty.The sites fight climate change and can help with another global crisis: the collapse of nature. But so far, efforts to nurture wildlife habitat have been spotty. Read More

The troubled spacecraft is scheduled to undock on Friday for a trip back to Earth while two NASA astronauts will stay in orbit.The troubled spacecraft is scheduled to undock on Friday for a trip back to Earth while two NASA astronauts will stay in orbit. Read More

Brian Hare and Vanessa Woods are studying how the canine mind develops and what makes a successful service dog.Brian Hare and Vanessa Woods are studying how the canine mind develops and what makes a successful service dog. Read More

More tourists are eager to visit vanishing glaciers and ice caves, but warming is also making the sites unstable.More tourists are eager to visit vanishing glaciers and ice caves, but warming is also making the sites unstable. Read More