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3 Secrets About Ancient Earth, Hidden in Marine Fossils

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Fossils can provide clues to the conditions that ancient species lived in, like what their environments felt like, how deep in the water some species lived, or even how long the Sun was out!

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Sources:
https://www.researchgate.net/profile/Osama_Shaltami/publication/343674799_Paleothermometry_A_review/links/5f37d824299bf13404c5a236/Paleothermometry-A-review.pdf
https://www.seas.harvard.edu/climate/eli/research/equable/isotope.html
https://science.sciencemag.org/content/287/5451/269
https://ucmp.berkeley.edu/fosrec/Wetmore.html
https://www.tandfonline.com/doi/pdf/10.1080/00288306.2004.9515087
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019PA003723
https://pubs.geoscienceworld.org/gsa/gsabulletin/article-abstract/82/4/1085/7168
https://www.theatlantic.com/science/archive/2016/02/fossilized-coral-calendar-changes-leap-day/471180/
https://www.sciencemag.org/news/2016/12/ancient-eclipses-show-earth-s-rotation-slowing

Images:
https://commons.wikimedia.org/wiki/File:A_fossil_shell_with_calcite.jpg
https://svs.gsfc.nasa.gov/30580
https://en.wikipedia.org/wiki/File:CSIRO_ScienceImage_2893_Crystalised_magnesium.jpg
https://svs.gsfc.nasa.gov/3854
https://en.wikipedia.org/wiki/File:XenophyophoreNOAA.jpg
https://svs.gsfc.nasa.gov/12477
Category
Science
Tags
SciShow, science, Hank
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