YouTube helped solve an evolutionary mystery that's puzzled biologists for decades

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Two images of euglenoid cysts taken under a microscope that look like clear circles with grayish fingerprints inside
Light microscope images of euglenoid cysts from Greece dating between the Holocene and the present era. Researchers recently saw evidence of euglenoids making cysts for the first time.

Andreas Koutsodendris/Heidelberg University

Your houseplants were 'forged in the war of nature' to be pretty and poisonous, says an evolutionary biologist

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A dumb cane or Dieffenbachia plant with large dark and light green leaves
Dieffenbachia are pretty, popular houseplants that are also poisonous.

DeAgostini/Getty Images

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