How UNLV’s Ranjani Murali hunted for dark oxygen two miles down—and brought some home

A UNLV professor and a team of scientists traveled to a South African mineshaft to study billion-year-old brine and search for 'dark oxygen' in extreme environments.
A team of scientists including UNLV's assistant professor of microbial environmental genomics descended into a mineshaft just outside of Johannesburg, South Africa to research a billion-year-old brine discovered after an earthquake split a tunnel wall.
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