A group of #PrincetonU geologists are better able to support the Snowball Earth hypothesis after a tip from a geologist at @TUBerlin and a trip to Ethiopia. (via @sciencemagazine) http://ow.ly/BSNP30kpvZh
Replying to @TUBerlin @sciencemagazine
1:07 PM - 11 Jun 2018
from Princeton, NJ
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