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A DAY AGO
What Is an Aortic Dissection?
The condition that killed Senator Lindsey Graham is deadly, sudden and difficult to treat — “like a knife to the back,” one expert said.
18 HOURS AGO
‘We’re Fighting Satan’: The War to Save Bees From a Hornet Invasion
As yellow-legged hornets spread through South Carolina’s Lowcountry region, threatening the local honey crop, a state team of bee defenders is racing to the rescue.
2 DAYS AGO
Years After He Quit Smoking, a Lung Cancer Scan Saved His Life
Lung cancer remains the leading cause of cancer deaths in the United States and older adults are at higher risk. But only about a quarter of patients eligible for screening are up-to-date.
- SCIENTIFIC AMERICAN14 HOURS AGO

Mathematicians still don’t know the fastest way to multiply numbers
A 23-year-old student overturned an ancient conjecture about one of math's simplest operations
- SCIENTIFIC AMERICAN16 HOURS AGO

Scientists catch bacteria sharing proteins to survive antibiotics
Bacteria send protein packages to dormant neighbors to endure antibiotic attack
- SCIENTIFIC AMERICAN12 HOURS AGO

Scientists spot sugar in interstellar space for the first time ever
Erythrulose—a sugar found in raspberries—is also prevalent in a giant molecular cloud close to our galaxy's core, scientists have discovered
- SCIENTIFIC AMERICAN8 HOURS AGO

Scientists overwhelmingly against rule change that would give political appointees say over science grants
Hundreds of thousands of scientists, including Nobel laureates, warn that changes to the way federal grants are approved would greatly damage American science
10 HOURS AGO
Kids Can’t Stop Watching ‘Moana.’ There’s a Scientific Explanation.
The 2016 release has become the most watched movie on Disney+. Parents and experts explain why kids can’t get enough.
- SCIENTIFIC AMERICAN4 HOURS AGO

We finally know the name of a Maya mathematician
The signature of Sak Tahn Waax, or "White-Chested Fox," was found inscribed in a 1,000-year-old chamber beneath present-day Guatemala
- SCIENTIFIC AMERICAN6 HOURS AGO

Why have their been so many record-breaking heat waves this summer?
Record-breaking heat waves are beginning to blur together—here's why and what's making them so unbearable
4 HOURS AGO
Trump Sharply Cuts the Size of Two National Monuments in Utah
Native American tribes and environmental groups are expected to challenge the move to shrink the Bears Ears and Grand Staircase-Escalante National Monuments.
11 HOURS AGO
A Sweet Surprise: Scientists Find Sugar Deep in Our Galaxy
It’s the first time a sugar molecule has been detected in interstellar space. The discovery provides tantalizing new clues into how life may have arisen on Earth.