The 155-million-year-old fossil. Credit: Gunter Schweigert, CC BY One of the wildest wonders of nature is the ability of some animals to reproduce by splitting in half. There is still so much we don't ...
Crinoid fossils turn up by the millions, but this is just the second time that scientists have found one with soft tissues ...
CC0 Usage Conditions ApplyClick for more information. This video is audio described. Watch it with captions, but without audio descriptions, here: https://youtu.be ...
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