Mathematicians stunned by AI’s biggest breakthrough in mathematics yet
The planar unit distance problem is about how many equal-sized lines you can draw that connect dots on an infinite
Floatation tanks deployed to combat PTSD after devastating wildfires
Often found in high-end spas, floatation tanks have shown promise for relieving PTSD dave stamboulis / Alamy A shipping container
First test of CO2 removal with green sand finds no harm to marine life
A beach in Southampton, New York, treated with olivine sand Chayenne Moreau The first trial to absorb atmospheric carbon dioxide
Can cloud seeding save us from water bankruptcy?
On a cold, windy night in November 2025, a quadcopter drone took off from a farm field at the foot
A vast dam across the Bering Strait could stop the AMOC collapsing
The Bering Strait separates Alaska and Russia Ocean Color/OB.DAAC/OBPG/NASA It would be an engineering project on a truly epic scale,
Bronze Age Britons fashioned copper-mining tools out of old bones
Wedges made of limb bones may have been used for splitting soft, copper-bearing rock O. Zagorodnia Even with the technology
Will Colombia summit kick-start the end of the fossil fuel era?
Irene Velez Torres and Stientje van Veldhoven, ministers from Colombia and the Netherlands, embrace at the end of the conference
‘Green’ cryptocurrency uses 18 times more energy than makers claim
Chia is a cryptocurrency that relies on empty hard disk space Andrey Zhuravlev/Alamy A cryptocurrency marketed as a green alternative
Coral reefs on a remote archipelago shrugged off a massive heatwave
The Houtman Abrolhos Islands, off Western Australia, where corals appear to be exceptionally heat-tolerant Bill Bachman/Alamy Coral reefs on a
Gravity’s strength measured more reliably than ever before
Stephan Schlamminger and his colleague, Vincent Lee, examine the torsion balance they used to measure the gravitational constant R. Eskalis/NIST