How Tear Gas Works: A Rundown of the Chemicals Used on Crowds

There are two broad types of tear gas—and they’re both engineered to cause pain

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SpaceX's Starlink Could Cause Cascades of Space JunkPlans for thousands of new communications satellites would revolutionize global telecommunications
Can You Prevent Pregnancy with the Pullout Method?An investigation into one of the biggest misconceptions in male fertility -- Read more on Scientif
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Tiny, Snackable Fish Are Linchpins of Coral Reef EcosystemsFish that are so small and shy that they escape attention may be the foundation of reefs’ outsize p
An AI System Spontaneously Develops Baby-Like Ability to Gauge Big and SmallOn its own, the neural network seems to recap a process experienced by human infants -- Read more

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