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Content by Charles Choi

Cave-Archaeology

New Research Suggests Humans Arrived in the Americas Much Earlier Than Thought

Sleepy-Computer - shutterstock

Why Artificial Brains Need Sleep

personalornaments bonetools fullwidth

Humans and Neanderthals May Have Shared Jewelry Designs

Pony and Dog

Dogs and Horses Mimic Each Other's Expressions During Play

Fake-Steak Aleph Farms

Lab-Grown Meat Climbs to New Heights on Scaffolds of Soy

Ghost Lineage Ancestors - Shutterstock

Scientists Find a Mysterious 'Ghost Lineage' In the DNA of West Africans

Bacteria-Brick

This Regenerative Building Material is Made From Sand and Bacteria

Mars Colony Habitat Settlement - Shutterstock

Aerogels Could Be Used to Build Terraforming Domes on Mars

'Perplexing' New Crab Species Sheds Light on Crustacean Evolution

Did Climate Change Help Take Down the Byzantine Empire?

Fossil Bonanza in China Reveals Secrets from the Dawn of Animal Life

Scientists Get to the Genetic Roots of Why Citrus Fruits Taste Sour

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