A Yale study found how Ozempic works in the brain is the reverse of what scientists assumed: it turns the hunger neurons up, not off. Here is what changed.
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Depression and New Brain Cells: What Scientists Just Found
Depression and new brain cells: a Columbia study found neurogenesis stalls in depression — and the cells that stall are the ones that keep today from blurring.
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Shingles Vaccine and Dementia: What the Study Actually Found
A study of 509,926 older adults linked the shingles vaccine and dementia risk: 18.8% versus 24.6% over four years. What it found, and what it cannot say.
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What Holds a Proton Together May Not Be Its Parts
For fifty years the textbook answer to what holds a proton together was three quarks. New collider data points somewhere stranger: the junction between them.
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Bird Feeders and Bird Flu: Why Experts Are Asking People to Stop
Bird feeders and bird flu are now linked: H5N1 moves fastest wherever birds crowd together. Here is what the researchers who study feeding actually advise.
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How Long Do Medications Affect Your Gut Bacteria?
How long do medications affect gut bacteria? A study of 2,509 people found nearly half of 186 drugs left traces years after the last dose. Here is what that means.
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How Much Sleep Do You Need? A 500,000-Person Study Found the Answer Is a Range
How much sleep do you need? A study of 500,000 people found the sweet spot is a range — and that sleeping too much ages you almost as fast as too little.
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AI Decoded the DNA Initiator: The Mark That Tells a Cell Where to Begin
Scientists used AI to decode the DNA initiator, the mark in about 60% of promoters that tells a cell where to start reading — and what it still cannot read.
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Gut Bacteria and Muscle Strength: What the 29% Finding Means
A study in Gut linked gut bacteria and muscle strength: older adults with one microbe had 29% stronger grip. Here is what it proves, and what it doesn’t.
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Job Hugging: 57% of Workers Are Staying Put Out of Fear, Not Loyalty
Job hugging is when workers stay put out of fear, not loyalty. 57% now say they do it. Here’s what the trend really costs, and the question underneath it.