Now it has been discovered that some whales also have spindle neurons – specialised brain cells that are involved in processing emotions and helping us interact socially. Hof and van der Gucht suggest that whales probably evolved the spindle cells completely independently of humans and apes – a process called convergent evolution. Moreover, they probably evolved them as long as 30 million years ago, twice as long ago as humans and apes.
Guessers: Patrick Hof of the Mount Sinai School of Medicine in New York
How VENUS got her teeth
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Until now it has not been clear which plant the Venus flytrap and
waterwheel evolved from. Waller and his colleague Thomas Gibson now think
they have the...
4 years ago
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