Snippet: Watch a juvenile little skate walk with tiny legs

How did animals go from swimming to walking--what changed about their bodies? Skates like this one use the same neurons to walk as land animals. Because skates are an evolutionarily ancient animal, that means the neurons essential for walking originated in species that separated from other four-legged vertebrates, or tetrapods, about 420 million years ago.

Learn more: http://www.sciencemag.org/news/2018/02/walking-fish-may-reveal-how-animals-first-took-land

Read the paper: http://www.cell.com/cell/fulltext/S0092-8674(18)30050-3

About Science Snippets:

These videos are short snippets from researchers' work--often these videos are actually used as data in studies or to demonstrate results in a paper.

CREDITS

producer
Sarah Crespi

citation
L. Jung et al., Cell 2018
DOI: 10.1016/j.cell.2018.01.013

video
Jeremy Dasen

music
Audioblocks


Source: Science Magazine, https://www.youtube.com/watch?v=N-Ie-K-361Q
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