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Though it was first predicted in the 1930s, chemists have just now managed to create a covalent bond that only uses one electron

Using more training data and computational power is meant to make AIs more reliable, but tests suggest large language models actually get less reliable as they grow

DNA and protein analysis has identified a white substance smeared on mummies in China as a kind of kefir cheese, made from cow and goat milk

A small asteroid, 2024 PT5, will spend the next two months alongside our planet as a mini moon before swooping back to deep space

Physicists report the first observations of quantum entanglement in top and anti-top quarks, the heaviest known fundamental particles and their antimatter counterparts, inside the Large Hadron Collider

Cases of deadly heatstroke of children in cars have remained stubbornly persistent—here’s why they happen and how we can prevent them

From spotless giraffes to secret squirrels, Janelle Shane probes the absurdity (and dangers) of generative AI

A study reports higher prevalence of eating disorders among people with polycystic ovary syndrome, regardless of their body mass index.

Smart TVs from Samsung and LG monitor what you are watching even when you are using the screens to display a feed from a connected laptop or video game console

Dopamine was long thought to play a part in the placebo effect for pain relief, but a new study is questioning its true role

Experiment shows that a nuclear explosion could save the planet from a deadly asteroid impact

Florida Surgeon General Joseph Ladapo told Floridians to avoid mRNA vaccines, citing false safety concerns

In most vertebrates, a pattern of chemical marks on the genome is a reliable indicator of age, but in axolotls this clock seems to stop after the first four years of life

Joint Nobel laureates aren’t necessarily direct scientific collaborators, and the prize money isn’t always split evenly

More and more climate scientists are supporting experiments to cool Earth by altering the stratosphere or the ocean

High-temperature superconducting cables that could transform the power grid may be increasingly viable, thanks to a side effect of fusion energy research and new ways to cool the wires

The incompleteness of the fossil record complicates efforts to figure out how life on Earth is faring today

The universe’s hidden mass may be made of black holes, which could wobble the planets of the solar system when they pass by

Quirky perspectives, separated lovebirds and a tobogganing penguin star in 2024 winners of the world’s largest bird photography competition

Archaeologists have used AI to discover hundreds of large-scale drawings depicting figures like llamas, decapitated human heads and killer whales armed with knives