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Battery swapping lets electric vehicle drivers exchange a depleted battery for a full one in under five minutes. After a spectacular early failure, the technology is surging back in China and expanding worldwide.
Economy
Gold is priced twice daily through a London electronic auction, but its value is shaped by central bank demand, inflation fears, geopolitics, and curr...
Science
Senescent 'zombie' cells stop dividing but refuse to die, flooding tissues with inflammatory signals that accelerate aging and disease. Scientists are...
Science
Scientists can now print flexible electronic neurons that generate signals realistic enough to activate living brain tissue, opening the door to cheap...
Science
An explainer on the atmospheric mechanics behind tornado formation, why the United States experiences more tornadoes than any other country, and how m...
Economy
The Affordable Care Act requires health insurers to spend at least 80% of premiums on medical care. When they don't, consumers get rebates — billions...
Science
Scientists extract and sequence degraded genetic material from bones thousands of years old, rewriting human history and revealing lost populations, e...
Technology
Three companies control 95% of the world's DRAM supply. Here's how memory chip pricing works, why the market is so volatile, and what drives the boom-...
Science
All mammals descend from egg-laying ancestors called synapsids. Here's how the transition from leathery eggs to live birth unfolded over 300 million y...
Science
Bioluminescence lets organisms produce their own light through a chemical reaction between luciferin and luciferase. From deep-sea creatures to firefl...
Science
Synchrotron light sources accelerate electrons to near light speed, producing X-rays billions of times brighter than the sun. These massive machines p...
Economy
Consumer sentiment surveys gauge how optimistic or pessimistic households feel about the economy. Here's how they work, who runs them, and whether the...
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