The New Oldest Animal Fossils?

A new study reports what might be the oldest fossil animals ever found. And we're also learning more about what role the hippocampus plays in certain types of visual memory.

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Sources:
https://www.nature.com/articles/s41586-021-03773-z
https://press.springernature.com/possible-poriferan-body-fossils-in-early-neoproterozoic-microbia/19347570
https://pubs.usgs.gov/fs/2007/3015/fs2007-3015.pdf
https://science.sciencemag.org/content/366/6471/1333.full

https://www.eurekalert.org/emb_releases/2021-07/piam-bc071921.php
http://dx.doi.org/10.1016/j.cub.2021.06.079

Images:
https://www.istockphoto.com/photo/seascape-of-coral-reef-in-the-caribbean-sea-around-curacao-with-various-corals-and-gm1042997770-279209291
https://www.istockphoto.com/photo/animals-of-the-cambrian-period-underwater-scene-with-anomalocaris-opabinia-gm1155964966-314896881
https://www.nature.com/articles/s41586-021-03773-z#Fig4
https://www.inaturalist.org/photos/136803694
https://www.istockphoto.com/photo/view-of-the-earth-from-space-gm482119728-69834959
https://commons.wikimedia.org/wiki/File:Pavilion_Lake_microbialite_towers.jpg
https://www.jpl.nasa.gov/images/lake-salda-rocks
https://www.istockphoto.com/vector/hippocampus-vector-illustration-labeled-diagram-with-isolated-closeup-gm1053259742-281397203
https://www.istockphoto.com/photo/stained-glass-seamless-texture-with-rectangle-pattern-for-window-colored-glass-3d-gm1191619458-338248677
https://www.istockphoto.com/photo/stained-glass-seamless-texture-colored-glass-with-rhombus-pattern-for-window-3d-gm1198679781-342668517
https://www.istockphoto.com/vector/how-eye-work-medical-illustration-eye-brain-diagram-eye-structure-and-connection-gm922038408-253156029
https://www.eurekalert.org/multimedia/530056
https://www.istockphoto.com/photo/wheres-waldo-gm95505710-11524580
https://www.istockphoto.com/vector/light-bulb-with-rays-lighting-electric-lamp-creative-idea-solution-thinking-concept-gm1149246206-310650269