Snippet: Watch a juvenile little skate walk with tiny legs

How did animals go from swimming to walkingwhat 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 fourlegged vertebrates, or tetrapods, about 420 million years ago. Learn more: Read the paper: About Science Snippets: These videos are short snippets from researchers workoften 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: video Jeremy Dasen music Audioblocks