Puerto Rico drought now covers three quarters of the island, but the number that explains the empty taps is not rainfall: nearly half the water leaks away.
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How Complex Life Began: Two Cells That Can’t Live Apart
How complex life began may come down to two microbes in Shark Bay, joined by tiny tubes and unable to grow alone. Here is what that partnership reveals.
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Early Signs of Alzheimer’s Appear 7 Years Before Plaques
Early signs of Alzheimer’s showed up in brain scans seven years before plaques did – and the first change was not shrinkage. It was a cortex that looked better.
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Why Star Formation Is Declining: The Universe Never Ran Out of Fuel
Star formation has fallen to less than half what it once was. Measurements of 2.5 million galaxies show why star formation is declining – and it isn’t fuel.
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Why the Human Brain Develops So Slowly: Years, Not Weeks
Why the human brain develops so slowly: brain cells that finish in about three weeks in mice take four to eight years in people, and the delay may be the point.
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Poor Sleep and Loneliness: Which One Comes First?
Poor sleep and loneliness travel together — but a Norwegian study that followed the same people for over 20 years found the arrow mostly runs one way.
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Buried a Mile Down, One Dark Matter Signal Nobody Can Explain
A dark matter signal turned up in LZ data with about a 0.5% chance of being ordinary background. The team that found it spent months trying to disprove it.
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Why Entry-Level Jobs Are Disappearing (It Isn’t You)
Entry-level jobs are disappearing and two Stanford teams disagree about why. Here is what the data actually shows — and why the silence is not about you.
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206 Jobs Top the AI Exposure List. Some Are Still Growing.
The government put 206 jobs in the top AI exposure tier. The agency says it is not a forecast, and some of those jobs are projected to grow. Here is the read.
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Hybrid Work Loneliness: How Many Days at Home Is Too Many?
Hybrid work loneliness: in a study of 87,317 workers, 1-2 days at home showed no link at all. Here is where the risk actually starts, and who it lands on.