News
- Animals
Polar bears provide millions of kilograms of food for other Arctic species
A new study shows how much food polar bears leave behind — and how their decline threatens scavengers across the Arctic.
- Anthropology
DNA reveals Neandertals traveled thousands of kilometers into Asia
DNA and stone tool comparisons suggest Eastern European Neandertals trekked 3,000 kilometers to Siberia, where they left a genetic and cultural mark.
- Physics
These simple knife tricks stop onion tears instantly
With a high-speed camera and a tiny guillotine, scientists showed that chopping onions slowly and with sharper knives cuts down on tears.
- Climate
Australia’s tropical forests now emit CO₂, clouding the COP30 talks
These tropical forest CO₂ emissions may warn of similar shifts in other regions, a key topic for COP30 climate talks in Brazil.
