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What is pi?

Society28 minutes ago It's Pi Day. Here's Why This Special Number Gets a Global Celebration.

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En Route to Asteroid Collision, HERA Snaps Rare Images of Martian Moon Space 1 hour ago

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NASA Reports Sea Levels Rose by 'Unexpected' Amount in Earth's Hottest Year Environment 3 hours ago

World First: Physicists Create a Supersolid Out of Light

World First: Physicists Create a Supersolid Out of Light Physics 4 hours ago

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Blood Moon: Here's How to Watch Tonight's Rare Total Lunar Eclipse Space 5 hours ago

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Energy Signals From Milky Way's Core Hint at New Type of Dark Matter Space5 hours ago

Just 5 Days of Junk Food Can Trigger Obesity's Hold on Your Brain

Just 5 Days of Junk Food Can Trigger Obesity's Hold on Your Brain Health10 hours ago

Squids' Amazing Color Shifting Could Be Key to Hyper-Efficient Solar Tech

Squids' Amazing Color Shifting Could Be Key to Hyper-Efficient Solar Tech Tech14 hours ago

A photo of an anisakid worm — circled in red — in a canned salmon fillet.

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World-First: Man Leaves Hospital With Life-Saving Titanium Heart

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Violent Supernovae Could Have Triggered at Least 2 Extinction Events

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Why Does Ranch Dressing Act So Weird? A Physicist Explains.

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66 Dinosaur Footprints Found Hiding in Plain Sight at Australian School Nature1 day ago

Cheap Daily Supplement Seems to Boost Brain Function in Older Adults

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Climate Change Could Put Us at Greater Risk of Sewage Diseases Environment1 day ago

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