Top-line results from two large clinical trials by Novo Nordisk, the company behind Ozempic and Wegovy, found oral semaglutide failed to slow down Alzheimer's progression
COP30 In Brazil Highlights Global Climate Challenges and Indigenous voices
A new study finds that fluoride is safe for kids’ brain—and linked to slightly better test scores.
The Paris Climate Agreement Is Turning 10—These 5 Charts Show What Progress We’ve Made
The 2015 Paris Agreement forged a path for the world to stave off the worst climate change scenarios. Here’s where we stand 10 years later
Do Brain-Decoding Devices Threaten People’s Privacy?
Ethicists say AI-powered advances will threaten the autonomy of people who use neurotechnology
What Blind Cave Fish and Venomous Snails Can Teach Us about Diabetes
Studies of insulin, blood sugar and diabetes in other animals such as fish and dogs have already saved millions of lives and could lead to new treatments for type 1 and type 2 diabetes.
Iran’s Capital Has Run Out of Water, Forcing It to Move
The decision to move Iran’s capital is partly driven by climate change, but experts say decades of human error and action are also to blame
Hurricane Melissa’s 252-mph Gust Sets New Wind Record
Hurricane Melissa raged as a Category 5 storm in the Caribbean last month—and now scientists have confirmed that its strongest gusts neared record speeds
CDC to End Monkey Research Program
The decision to end the program will affect studies involving some 200 macaques, with the fate of the animals unclear
Illegal Wildlife Trade Tied to Drugs, Arms, and Human Trafficking
Criminals around the world are increasingly mixing trade in illegal animal parts with trafficking of arms, humans, and more—even exchanging wildlife for drugs
Alien Comets Swarm around Other Stars
Comets don’t just orbit our sun. “Exocomets” are common around other stars in the galaxy, too