Robots are narrowing the gap with humans

Robots are gaining on us humans. Thanks to exponential increases in computer power -- which is roughly doubling every two years -- robots are getting smarter, more capable, more like flesh-and-blood people.

T. rex bite 'no match for a finch'

Tyrannosaurus rex, renowned for being one of the most fearsome creatures to have ever lived, evolved a bite that was less impressive in relation to its body size than a tiny Galapagos ground finch, scientists say.

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