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How We Chose the 2026 Young American Scientists
Scientific American used expert recommendations and data analysis to identify 28 exceptional early-career researchers. In late 2025 we asked the world’s top researchers a simple question: Who are the best, most promising early-career scientists working in
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Songbirds Reveal the Dark Side of Making New Brain Cells as Adults
Every day the human body replaces billions of cells, flushing out the old and generating the new, healthy ones. The average lifespan of a red blood cell is just under four months, while skin cells last
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Anyone Can Be an Altruist
What’s really going on inside the brain of an altruist? Why do altruists care so much more for a stranger who needs help? Why are they so willing to give away a kidney? In this
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Could Psychotherapy Work by Changing How We Navigate Our Own Minds?
According to researchers in a 2025 study, becoming aware of unrecognized psychological and behavioral challenges is the most crucial mechanism in conversation-based psychotherapy.
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Why We Procrastinate On Joy — And How To Stop
But we can also put off things we enjoy — catching up with a friend we haven’t seen in a while, visiting a nearby attraction or opening that expensive bottle of wine. … However, while this general
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I Can’t Sleep. Now What?
Maybe your mind can’t stop racing. Maybe your afternoon coffee or dinner cocktail is keeping you up. So many factors affect our ability to sleep. … For Aric Prather, a sleep specialist at the University
