In today's up to date episode, Adam Bristol is back to highlight three scientific papers that have caught his eye lately. The first two are about our evolutionary history of life on this planet, filling in some of the holes in the fossil record, and making some unexpected discoveries along the way. The third paper has us looking at potential biosecurity concerns in the distant future, which may actually arise earlier than expected given humans' exploration of planets. From the distant past to the possibly not too distant future, Adam’s got the news for you here today.

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Fossil evidence unveils an early Cambrian origin for Bryozoa

Crab in amber reveals an early colonization of nonmarine environments during the Cretaceous

Planetary Biosecurity: Applying Invasion Science to Prevent Biological Contamination from Space Travel

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