Science & Society
We summarize the week's scientific breakthroughs every Thursday.
- Psychology
Loneliness is higher among middle-aged Americans than older ones
Across much of the world, loneliness increases from middle age to later years. That trend is reversed in the United States, a new study shows.
- Health & Medicine
Clinical trials face uncertain futures amid Trump cuts
The Trump administration has reportedly disrupted over 100 clinical trials. Science News spoke to researchers about the impacts on four of them.
- Health & Medicine
A messed-up body clock could be a bigger problem than lack of sleep
For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.
- Artificial Intelligence
Tech billionaires’ vision of an AI-dominated future is flawed — and dangerous
Adam Becker’s new book, More Everything Forever, investigates the dangers of a billionaire-driven tomorrow, in which trillions of humans live in space, served by AI.
- Science & Society
Federal cuts put help for mental health and drug addiction in peril
SAMHSA’s work is crucial to suicide and drug overdose prevention and mental health care. It may fall victim to changes to public health infrastructure.
- Artificial Intelligence
Spotting climate misinformation with AI requires expertly trained models
When classifying climate misinformation, general-purpose large language models lag behind models trained on expert-curated climate data.
- Science & Society
‘Pseudoscience’ digs into the allure and dangers of believing fake science
In their new book, Lydia Kang and Nate Pedersen survey flat Earth theory, fake moon landings and other scientific myths and why people believe them.
- Health & Medicine
A shadowy market for weight-loss drugs has emerged online
People are buying semaglutide and tirzepatide, the key ingredients in Ozempic and Zepbound, from unconventional sources. Doctors have safety concerns.
- Neuroscience
Memory manipulation is the stuff of sci-fi. Someday it could be real
Experiments point to how scientists can strengthen or weaken memories, which may eventually lead to treatments for Alzheimer’s disease or PTSD.
- Health & Medicine
How U.S. public health cuts could raise risks of infectious diseases
Deep funding cuts and widespread layoffs impact everything from local public health outreach to global disease surveillance, making us more vulnerable, experts warn.
- Physics
Calls to restart nuclear weapons tests stir dismay and debate among scientists
Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.
- Genetics
What 23andMe’s bankruptcy means for your genetic data
As 23andMe prepares to be sold, Science News spoke with two experts about what’s at stake and whether consumers should delete their genetic data.
