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Showing results for tags 'ct scan'.
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Exceptional fossil preservation and evolution of the ray-finned fish brain. - Carboniferous - United Kingdom
Oxytropidoceras posted a topic in Fossil News
A 319-million-year-old brain has been discovered. It could be the oldest of its kind By Amarachi Orie, CNN, February 2, 2023 Scientists Discover 319-Million-Year-Old Fossilized Brain Amada Kooser, CNET, February 1, 2023 The paper is: Figueroa, R.T., Goodvin, D., Kolmann, M.A. et al. Exceptional fossil preservation and evolution of the rayfinned fish brain. Nature (2023). https://doi.org/10.1038/s41586-022-05666-1 Yours, Paul H.- 3 replies
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- carboniferous
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High resolution CT scanning of Tiktaalik skull shows it could still slide skull bones to create suction for feeding in water. https://scitechdaily.com/new-evidence-emerges-on-how-early-tetrapods-learned-to-live-and-eat-on-land/amp/
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- tiktaalik roseae
- transition to land
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A group of UK scientists reexamined a group of late stage Neanderthal teeth from the early 1900s with modern techniques such as CT scanning. They discovered a mix of new characteristics indicative of both modern Homo sapiens and Neanderthal, more evidence supporting a gradual absorption of Neanderthals into emerging modern human populations. Article Link Published Paper Link (Not free access)
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- neanderthal
- pleistocene
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Article on new structural findings of Tiktaalik and other fish/tetrapod fins/feet https://m.phys.org/news/2019-12-fish-fins-evolved-transition.html