STEFAN SIEVERT
Jan 01, 2020
3 minutes
by Rachel Kehoe
and works at the world-renowned Woods Hole Oceanographic Institution in Massachusetts. He studies microbes in one of nature’s most challenging environments: hydrothermal vents. For Sievert, what makes these tiny life forms fascinating is what they do to live and grow. Unlike surface organisms that depend on energy from the sun, microbes have evolved to survive using chemosynthesis—a process where they use fluid from cracks in the sea floor as fuel. Sievert’s research investigates the growth of these microscopic organisms and how
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