News
- 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.
By Carly Kay -
ClimateAustralia’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.
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Artificial IntelligenceA conference just tested AI agents’ ability to do science
AI promises to speed up scientific analysis and writing. However, AI agents struggled with accuracy and judgment.
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HumansNapoleon’s retreating army may have been plagued by these microbes
DNA from Napoleonic soldiers’ teeth uncovered two fever-causing bacteria that may have worsened the army’s fatal retreat from Russia.