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Your Cells Are Always Building A Whole New You
Over the past year, most of your body has replaced itself cell by cell. What can we learn from other animals’ dramatic feats of regeneration?
Can The Rise In Solar Power Balance Out Clean Energy Cuts?
Solar power adoption has been rising fast. Amid recent federal efforts to limit clean energy, will it make a dent in our climate impact?
Are There Things That We Know We Can’t Know?
In “Into the Unknown,” an astronomer explores the mysteries of the cosmos and the limits of what science can test.
Lithium May Have A Role In Causing—And Treating—Alzheimer’s
In a conversation from August, three experts discuss this breakthrough and other research that lost funding due to Trump’s cuts to the NIH.
Are Ultramarathoners Just Built Different?
Ultramarathoners can run with what seems like superhuman stamina. But are their bodies much different than the rest of ours?
Your Cells Are Always Building A Whole New You
Over the past year, most of your body has replaced itself cell by cell. What can we learn from other animals’ dramatic feats of regeneration?
A Look Back At 2025 In Science, From Federal Cuts To Space Junk
There was major science news in 2025. Plus, underreported developments in geoengineering and a triumph for furniture rearrangement.