The earliest evidence of drug use is in 25,000-year-old teeth from Sulawesi. Researchers think it began as toothache relief that slowly made the pain worse.
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Sleeping With the Light On May Reshape Your Heart
Sleeping with the light on, even dimly, was linked to thicker, stiffer hearts in a study of 11,071 people. What it found, what it can’t prove, and what helps.
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NASA’s Swift Telescope Is Falling. Its Team Switched It Back On Anyway.
The Swift telescope will fall from orbit within months. Its team switched the instruments back on anyway, knowing it brings the end closer. Here is why.
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The 9/11 Survivor Tree, 25 Years On: First to Bud, Last to Let Go
The 9/11 Survivor Tree came out of Ground Zero with snapped roots and a burned trunk. 25 years on it buds first each spring, with its scar line still showing.
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Matt Suhey: The Friend Walter Payton Left in Charge
Matt Suhey spent eight seasons clearing the way for Walter Payton. When Payton died in 1999, Suhey was left in charge of his family, and he kept that promise.
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Autism Life Expectancy: A 14-Year Gap, Much of It Avoidable
Autism life expectancy was 64.9 years in a new study of 2 million people, nearly 14 years under the US average. Much of the gap has causes we can prevent.
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AI Was Meant to Lighten Your Workload. For Half of Workers, It Added More
AI workload is rising, not falling: in a survey of 16,000 workers, 52% said AI tools added to their tasks. Here is why the saved time rarely comes back.
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Have We Found Alien Life? What the Experts Actually Said
Have we found alien life? After the 2025 K2-18b and Mars rock claims, hundreds of astrobiologists were polled. The answers were not what the headlines implied.
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Shadrack Byfield: The Soldier Who Buried His Own Arm
Shadrack Byfield buried his own amputated arm in 1814. His lost second memoir, found in Ohio, admits what his first book left out, and why he finally could.
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Lifestyle Changes for Brain Health: One Group Got 38 Meetings, the Other Got 4
Lifestyle changes for brain health worked better with structure and company. A two-year trial in 11 countries found a 55% bigger gain. Here is the catch.