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    • Evolution of the eye

      Evolution of the eye

      New Scientist· 8 hours ago

      The first eyes appeared about 541 million years ago – at the very beginning of the Cambrian period when complex multicellular life really took off – in a...

    • Killer whale DNA reveals distinct ties

      Killer whale DNA reveals distinct ties

      Phys.org· 3 days ago

      Killer whales are the ocean's apex predator and have large influence within the ocean, with shifts in their dynamics detrimentally affecting entire ...

    • Scientists learn how otters stay hotter

      Scientists learn how otters stay hotter

      AFP via Yahoo News· 3 weeks ago

      Sea otters are a hardy lot. The smallest of all marine mammals with the thickest fur of the animal kingdom, they can hold their breath for up to eight...