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AI hallucinates more frequently the more advanced it gets. Is there any way of stopping it?
By Roland Moore-Colyer published
OpenAI's most advanced reasoning model is smarter than ever — but it hallucinates more than previous models, too.

People's mental health often improves after weight-loss surgery. A study pinpoints the real reason why.
By Marianne Guenot published
Feeling less stigma — not losing weight — was linked to better mental health and eating behaviors after bariatric surgery.

Earth's energy imbalance is rising much faster than scientists expected — and now researchers worry they might lose the means to figure out why
By Sascha Pare published
For reasons still unknown, Earth's energy imbalance is rising much faster than models can account for. Now, scientists are calling for long-term investment in monitoring capability, so that they can make informed predictions about climate change.

Scientists clear major roadblocks in mission to build powerful AI photonic chips
By Demosthenes Koutsogeorgis, Matthew Spink published
Two studies show major progress in the field of photonic microchips.

How related are dire wolves and gray wolves? The answer might surprise you.
By Sascha Pare published
Recent findings indicate that dire wolves and gray wolves are distantly related, having diverged about 5.7 million years ago and, as far as scientists can tell, never interbred since then.

Measles has long-term health consequences
By Stephanie Pappas published
Measles can erase the immune system's "memory" and cause a rare but fatal health condition. The MMR vaccine prevents these repercussions, evidence shows.

TSMC's upcoming 2nm microchip is a breakthrough. Here's what it means for the future of tech — from AI to smartphones.
By Domenico Vicinanza published
Opinion Taiwanese manufacturer TSMC will begin producing the chips from the second half of this year.

Biological secrets of world's oldest woman, Maria Branyas Morera, revealed after death
By Stephanie Pappas published
A study of a woman who died in 2024 as the oldest person on Earth attempts to untangle the factors that enable some people to ward off disease in old age.
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