<![CDATA[Loren Williams (right) in his lab at Georgia Tech in 2018, where Marcus Bray (left) observes a sample inside a sealed atmospheric tent that simulates atmospheric gas mixtures during Earth's earliest eon. Photo: Allison Carter]]>

636177 image 1591892064 1591892064 <![CDATA[Loren Williams (right) in his lab at Georgia Tech in 2018, where Marcus Bray (left) observes a sample inside a sealed atmospheric tent that simulates atmospheric gas mixtures during Earth's earliest eon. Photo: Allison Carter]]> 1278