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Vyvanse Production Increased by D.E.A. Amid A.D.H.D. Medication Shortage
The D.E.A. is increasing its quota for the popular stimulant as patients still struggle to fill prescriptions.
Time to Say Goodbye to the B.M.I.?
The body mass index has long been criticized as a flawed indicator of health. A replacement has been gaining support: the body roundness index.
Elephants Arrive, So Humans Don’t Forget
“The Great Elephant Migration,” a touring public-art exhibition that has opened in New York, not only depicts wildlife but also helps save it.
Why Do Apes Make Gestures?
Chimps and other apes have been observed making more than 80 meaningful gestures. Three theories have tried to explain why.
Surprising New Research Links Infant Mortality to Crashing Bat Populations
Without bats to eat insects, farmers turned to more pesticides, a study found. That appears to have increased infant deaths.
Teenage E-Cigarette Use Continues to Decline
The percentage of middle and high school students reporting that they vaped tobacco products declined to about a third of the peak levels in 2019, a new survey shows.
Steve Silberman, 66, Dies; Writer Deepened Understanding of Autism
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.
Solar Farms Look to Produce Something Apart From Power: Pollinator Friendly Habitat
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.
Boeing Starliner Set to Leave Space Station Without Crew
The troubled spacecraft is scheduled to undock on Friday for a trip back to Earth while two NASA astronauts will stay in orbit.
What a Puppy Kindergarten Revealed About Raising Exceptional Dogs
Brian Hare and Vanessa Woods are studying how the canine mind develops and what makes a successful service dog.
Climate Change Is Making Glacier Tourism More Popular, and Riskier
More tourists are eager to visit vanishing glaciers and ice caves, but warming is also making the sites unstable.
An Agonizing Dilemma: When Obesity Prevents a Joint Replacement
Many doctors say it is too dangerous to perform the common surgeries on people with high body mass indexes, but patients say they are facing discrimination.
New Photos From Titanic Show Long-Lost Statue and Damaged Bow
RMS Titanic Inc., the company that led the expedition, brought back two million photos of the site. The ship’s famed bow has been damaged, the company said.
John Podesta, Biden’s Top Climate Negotiator, to Visit China
John Podesta is expected to push for China to set more ambitious greenhouse gas targets.
In Colombia, a Festival Celebrates Humpback Whales and Local Culture
Every year, as thousands of humpbacks return to their breeding grounds near a protected bay, locals gather on the beach to greet them with stories, dancing and music.
Rethinking Addiction as a Chronic Brain Disease
Some researchers argue that the roles of social environment and personal choice have to be considered in order to make progress in treating people addicted to drugs.
Climate Change Can Cause Bridges to ‘Fall Apart Like Tinkertoys,’ Experts Say
Extreme heat and flooding are accelerating the deterioration of bridges, engineers say, posting a quiet but growing threat.
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