Meet a robot that could crawl through extraterrestrial caves
CNN
This week, search for signs of life in Martian caves with ReachBot, unearth surprisingly old fossils of early human ancestors, learn why pandas have such a taste for bamboo, check out a shark superhighway, and more.
These twisting, subterranean caverns can be home to mysteries and tall tales and lead to pirate's treasure or a nest of vampires -- if you ever watched 1980s movies such as "The Goonies" or "The Lost Boys."
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