Eons Livestream Q&A

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Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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References:
IMAGE: Horseshoe crab
https://pixnio.com/fauna-animals/crab...
IMAGE: Trilobite https://commons.wikimedia.org/wiki/Fi...
IMAGE: Arthropod family Tree
https://evolution.berkeley.edu/evolib...
And although horseshoe crabs made it to modern times and trilobites didn’t, they both have ancient beginnings. The oldest known trilobite is ~540 million years old, but the horseshoe crabs weren’t far behind with the earliest example showing up ~445 million years ago. So technically just looking at a horseshoe crab you’re looking back millions of years into the past.
SOURCE: http://www.igme.es/museo/trilo08/arch... (oldest trilobites)
SOURCE: http://onlinelibrary.wiley.com/doi/10... (oldest horseshoe crabs)

IMAGE: bird skull https://etc.usf.edu/clipart/73400/734...
IMAGE: reptile skull (Px = premaxilla) https://en.wikipedia.org/wiki/Jugal_b...

IMAGE: Limusaurus https://commons.wikimedia.org/wiki/Fi...
Source: http://b3.ifrm.com/30233/130/0/p30014...

IMAGE: Archaeornithura https://commons.wikimedia.org/wiki/Fi...
MAGE: Archaeopteryx https://commons.wikimedia.org/wiki/Fi...

SOURCE: Paleo Art
https://naturalhistory.si.edu/exhibit...
SOURCE: Digital reconstruction https://www.ncbi.nlm.nih.gov/pmc/arti...

IMAGE: fossilization https://www.nature.com/scientificamer...
SOURCE: fossilization
http://www.geo.arizona.edu/geo3xx/geo...
SOURCE: Anthropocene
http://environment.harvard.edu/news/f...

Release Date:

Streamed live on Jan 8, 2018

Category:

Science & Technology

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