Ultramarathoners can run with what seems like superhuman stamina. But are their bodies much different than the rest of ours?
A look back at the biggest science stories of 2025, and a few you may have missed. Plus, over the past year, most of your ...
Over the past year, most of your body has replaced itself cell by cell. What can we learn from other animals’ dramatic feats ...
There was major science news in 2025. Plus, underreported developments in geoengineering and a triumph for furniture ...
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