Robo-salamander's evolution clues
A robot is being used by a Franco-Swiss team to investigate how the first land animals on Earth might have walked.
The bot looks a lot like a salamander; and the scientists can change the way it swims, slithers and crawls with commands sent wirelessly from a PC.
The group says it provides new insight into the nervous system changes aquatic lifeforms would have had to acquire to move to a terrestrial existence.
The researchers report their study in the latest edition of Science magazine.
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