Related topics: genes · protein · mice · cells · stem cells

What can sharks teach us about our hearts?

This time of year, it's hard to escape sharks—on TV at least. But perhaps that heartbeat-like theme from "Jaws"—da-dum, da-dum—has you wondering, "What might I learn about my own heart from a shark?"

Ants perform amputations to save injured nestmates

Saving lives through surgery is no longer exclusive to humans. In a study published July 2 in the journal Current Biology, scientists detail how Florida carpenter ants, a common, brown species native to its namesake, selectively ...

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