Environmental & Science Education, STEM, Animals, Biodiversity, Biological Evolution
Ed Hessler
This Nature video (4m 50s) is about a fossil that may push back the origin of mammals many millions of years.
The fossil, Vilevolodon diplomylos, was a glider living during the mesozoic era. It is the earliest known glider, "winged" if you will but these are membranes not flappers (think of flying squirrels). It was mouse-sized.
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