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    • How do fireflies light up?

      How do fireflies light up?

      LiveScience· 3 days ago

      Fireflies' ability to produce their own light is called bioluminescence, which is found in select animals, bacteria and fungi all over the world. The key...

    • Why did Homo sapiens emerge in Africa?

      Why did Homo sapiens emerge in Africa?

      LiveScience· 4 days ago

      Every person on Earth today can trace their ancestry to Africa, where modern humans (Homo sapiens) emerged at least 300,000 years ago. H. heidelbergensis...