Insight
What Voyager 1 Has Taught Us Since It Left the Solar System
Voyager 1 launched in 1977 to study Jupiter and Saturn up close. Nearly fifty years later, it’s still transmitting, still returning real…
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Why Time Runs Slower Near a Black Hole
Time isn’t the same everywhere. That’s not a metaphor. According to general relativity, gravity actually slows the passage of time, and near…
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Do Elephants Grieve? What the Evidence Actually Shows
For decades the safe scientific position was that attributing grief to animals was projection, reading human emotion onto behavior that probably meant…
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The Octopus Has Nine Brains and Most of the Thinking Isn’t in Its Head
An octopus has about 500 million neurons, roughly on par with a dog. What makes an octopus strange isn’t the total number,…
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The Vagus Nerve: The Body’s Longest Line of Communication
The vagus nerve doesn’t get talked about much outside of anatomy class, which is strange given what it actually does. It’s the…
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Why Your Brain Rewrites a Memory Every Time You Recall It
Most people treat memory like a recording. You store an event once, and from then on you can play it back, slightly…
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How CRISPR Actually Cuts and Edits a Gene
CRISPR gets described in headlines as everything from a cure for genetic disease to a tool for designer babies, and most of…
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The Wood Wide Web: What Trees Actually Share Underground
Walk into any old forest and the quiet is deceptive. Under your feet, a web of fungal threads finer than hair is…