Extinctions are pretty common in the rock record, but there are 5 times in Earth’s past where more than 50% of the life on Earth died, these are known as mass extinctions. This week we talk about causes of mass extinctions and some of the strange life that existed.

Mass Extinctions

Fun Paper Friday

How can microbes melt glaciers? Find out on this week’s Fun Paper Friday!
Ganey, Gerard Q., et al. “The role of microbes in snowmelt and radiative forcing on an Alaskan icefield.” Nature Geoscience 10.10 (2017): 754.
Paper From EarthArXiv

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Shannon Dulin - @ShannonDulin

Episode 159 - "Dunkleosteus Art" Extinctions Part 1