Physics
Water has a newfound ‘critical point’ that may help explain its quirks
At cold temperatures, water has two different liquid phases, which become one at the critical point. The discovery could help explain water’s quirks.
All Topics
Chemistry
Earth
Climate
Emperor penguins are marching toward extinction. Antarctica fur seals too
Conservationists now list the penguins and seals as “Endangered.” Climate change in Antarctica has led to plunging populations.
Humans
Science & Society
Snippets of hair may expose chronic stress in war refugees
Cortisol in hair shows sharper differences in chronic stress among Ukraine war refugees than standard questionnaires.
Life
Neuroscience
Seeing and imagining activate some of the same brain cells
By recording brain activity directly, scientists showed that imagining an object can revive parts of the neural pattern used to see it.
Math
Math
Huge Numbers tackles mathematics at its most incomprehensibly large
Mathematician Richard Elwes surveys googology, the study of enormous numbers, in a new book.
Physics
Cosmology
Exploding black holes could explain an antimatter mystery
Shock waves from tiny black holes in the early universe could explain how antimatter became so rare while matter is common.
Science & Society
Science & Society
Snippets of hair may expose chronic stress in war refugees
Cortisol in hair shows sharper differences in chronic stress among Ukraine war refugees than standard questionnaires.
Space
Space
Artemis II nears its finale
After looping around the moon, the Artemis II crew — and their capsule’s heat shield — are preparing for the mission’s final major test: coming home.
Tech
Artificial Intelligence
Welcome to the weird world of AI agent teams
AI agents are starting to work in teams, but without careful organization, groups of bots can easily fall into chaos.
