Babies in the womb have extra lizard-like muscles in their hands that most will lose before they are born, medical scans reveal, probably one of the oldest remnants of evolution seen in humans yet, dated by biologists as 250 million years old, a relic from when reptiles transitioned to mammals. : science
https://www.reddit.com/r/science/comments/dbsmgf/babies_in_the_womb_have_extra_lizardlike_muscles/Dimwitted Mammals Needed Muscle More Than Brains After Dinosaurs Died - The New York Times
https://www.nytimes.com/2022/03/31/science/brains-mammals-fossils.htmlMammalian Near-Infrared Image Vision through Injectable and Self-Powered Retinal Nanoantennae: Cell
https://www.cell.com/cell/fulltext/S0092-8674(19)30101-1#%20Mammals in the time of dinosaurs held each other back | EurekAlert! Science News
https://www.eurekalert.org/pub_releases/2021-05/uoo-mit051721.phpScientists predict ‘unprecedented magnitude’ of mammal extinctions in near future | CTV News
https://www.ctvnews.ca/sci-tech/scientists-predict-unprecedented-magnitude-of-mammal-extinctions-in-near-future-1.5094250Sick marine mammals turning up on California beaches in droves - Los Angeles Times
https://www.latimes.com/local/lanow/la-me-ln-pmmc-rescued-animals-20190308-story.htmlThe Ancient ‘Mammals’ that Reigned Before the Dinosaurs - YouTube
https://www.youtube.com/watch?v=hO5N70tUfvM