One of the most common stereotypes about human life is that men hunted and women gathered. Some genders of labor, as the story goes, would …
One of the most common stereotypes about human life is that men hunted and women gathered. Some genders of labor, as the story goes, would …
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on exciting discoveries, scientific advances and more. Punxatawney Phil, the central character …
A living copepod with egg sacs at 10 times magnification. These ocean creatures produce new generations quickly, allowing for faster evolution. Nehring/E+ Getty Images Cold-blooded …
Climate change is threatening the survival of plants and animals around the globe as temperatures rise and habitats change. Some species have been able to …
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