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Humans Used to Sleep Twice Each Night. Here's Why It Vanished.

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Single Dose of DMT Rapidly Reduces Symptoms of Major Depression

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Antarctica Will See a Rare 'Ring of Fire' Solar Eclipse This Week

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Depression May Warn of Parkinson's or Dementia, Years Before Diagnosis

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'Dream Engineering' Can Boost Your Puzzle-Solving, Study Suggests

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Sea Levels Are Rising Globally. Around Greenland, They're Projected to Fall.

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Colorectal Cancer Is Rising in Young People. Here's How to Lower Your Risk.

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Four New Astronauts Arrive at ISS, Restoring a Full Crew For Research

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'Pink Noise' Could Be Harming Your Sleep Quality, Study Warns

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First Solid Evidence of Hannibal's Infamous War Elephants Discovered in Spain

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Elite Athletes Possess a Hidden Skill That Seems Superhuman. Here's Why.

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DNA Mutations Discovered in The Children of Chernobyl Workers

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Black Hole May Be '100 Trillion Times' More Powerful Than The Death Star

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Scientists Are 'Sniffing' Ancient Egyptian Mummies. Here's Why.

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Spaceflight Can Alter The Position of The Human Brain, Study Finds

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There's One Simple Method to Lower Alcohol Intake, And It Works

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Valentine's Day: Exchanging Saliva May Help You Fall in Love

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This Week in Science: Mars Molecules, a Cholesterol-Cutting Compound, And More!

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Valentine's Day: The Weirdest Love Rituals in The Animal Kingdom

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Humans Age Faster at 2 Sharp Peaks, Study Finds

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