These ‘Fossilized Brains’ Might Not Be Brains At All

From SciShow.

A new study calls the claims of fossilized brains into question, and another finds ichthyosaurs might have been bigger than our current champions, the blue whales.

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Sources:

http://rspb.royalsocietypublishing.org/lookup/doi/10.1098/rspb.2018.0051
https://www.nature.com/articles/ncomms4560
http://palaeo.gly.bris.ac.uk/Palaeofiles/Lagerstatten/chngjang/index.html
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0194742
https://www.eurekalert.org/emb_releases/2018-04/uom-ugi040518.php

Images:

https://commons.wikimedia.org/wiki/File:Fuxianhuia_protensa_life_restoration.jpg
https://www.nature.com/articles/ncomms4560/figures/5
https://en.wikipedia.org/wiki/File:Maotianshan_shale_outcrop.JPG
https://en.wikipedia.org/wiki/File:Haikouella_lanceolata_China.jpg
https://en.wikipedia.org/wiki/File:Artemia_salina_4.jpg
https://en.wikipedia.org/wiki/File:Ichthyosaur_and_Plesiosaur_1863.jpg
https://en.wikipedia.org/wiki/File:Ichthyosaurios5.jpg
https://www.eurekalert.org/multimedia/pub/167232.php
https://commons.wikimedia.org/wiki/File:Anim1754_-_Flickr_-_NOAA_Photo_Library.jpg
https://en.wikipedia.org/wiki/File:Stenopterygius_quadriscissus.jpg