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Science

What makes someone cool? A new study offers clues

Is there a secret sauce that helps explain why people as different as David Bowie, Samuel L. Jackson, and Charli XCX all seem so self-assured and, well, cool? A new study suggests that there are six specific traits...

Six traits can determine your it factor, according to researchers who measured coolness around the globe. (Kimberly Elliott/The New York Times)

Study: new test spots signs of motor neurone disease before symptoms

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Your questions about sodium, answered

In recent decades, researchers have disagreed about how much sodium is too much, with some suggesting that federal guidelines are too strict.

A swimming dinosaur? maybe not, says study

An artists rendering of spinosaurus standing in water and eating fish. (Daniel Navarro via The New York Times)

These may be the oldest olive trees in the World

Scientists have now established a more certain age for several of the trees of Bshaaleh (also spelled Bchaaleh) and found that most are about 500 years old.

Why Does Ramadhan start at different times in different places?

Indonesian Muslims offer the evening prayers called "Tarawih" at the Grand Mosque of Al Jabbar on the first night of holy fasting month of Ramadan

Are you a ‘floor person’? Why lying on the ground feels so good

Psychologists say spending time on the floor is unlikely to hurt, and can even help us feel grounded.

Apparently healthy, but diagnosed with Alzheimer’s?

New criteria could lead to a dementia diagnosis on the basis of a simple blood test, even in the absence of obvious symptoms.

A doctor’s quest to solve one of pediatric medicine’s greatest mysteries

Dr. Jane C. Burns, director of the Kawasaki Disease Research Center at the University of California, San Diego, examines Inez Maldonado Diega

Does more data make a better, faster, stronger, healthier human

Not all data is good or helpful, doctors, exercise physiologists and coaches say, and having more data does not mean having a more effective workout.

Your 2024 guide to COVID symptoms and treatment

An illustrative image of a COVID-19 test and pills, in New York, Oct. 27, 2023. (Eric Helgas/The New York Times)

More than one billion now afflicted by obesity: Report

The study said the obesity rate had nearly tripled for men (14 percent) since 1990 and more than doubled for women (18.5 percent)

How a nutrition expert really eats

“I obviously spend quite a bit of time thinking about food,” said Maya Vadiveloo, a dietitian and associate professor of nutrition at the University of Rhode Island. But as a single parent of an 8-year-old daughter, she tries to model balance and pleasure rather than perfection and rigidity. (Sarah Mafféïs/The New York Times)

India pharma companies develop versions of Wegovy to get in on weight-loss windfall

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An asteroid wiped out dinosaurs. Did it help birds flourish?

A Darwins Rhea in Pali Aike National Park, Chile, on Nov. 21, 2018. (Tomas Munita/The New York Times)

How to keep your teeth strong

Weak enamel can make you more susceptible to cavities, but there are steps you can take to protect your teeth.
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