Science & Technology Calcium-Ion Batteries Hit 1,000 Cycles in Breakthrough That Could End Lithium Dependence HKUST researchers achieve 1,000 cycles with calcium-ion batteries using a novel electrolyte — a step toward ending dependence on scarce lithium.
Science & Technology Life's Building Blocks May Have Formed in Frozen Ice, Not Warm Water — Asteroid Bennu Reveals Asteroid Bennu samples suggest life's building blocks formed in frozen ice, not warm water — vastly expanding where in the universe life could begin.
Health & Medicine AI Prosthetic Arms Feel Most Natural at One Second Per Reach, VR Study Finds A VR study found AI prosthetic arms feel most natural at human speed — one second per reach. Faster feels creepy, slower feels frustrating.
Environment & Climate From Coal Slag to Green Flag: How a French Mining Town Became a Blueprint for Just Transition A French mining town spent 20 years transforming into a sustainability model. Loos-en-Gohelle shows what a just transition looks like in practice.
Daily Digest Featured The Olympics just banned 'forever chemicals' — and athletes are getting disqualified Three athletes DQ'd for PFAS ski wax at Milan-Cortina. Plus: a free tool for Crohn's disease, China's coal decline, first Zika drug candidate, and brain cell rejuvenation.
