'Veggie' dinosaurs differed in how they ate their food

Although most early dinosaurs were vegetarian, there were surprising differences in the way that these animals tackled eating a plant-based diet, according to a new study by scientists from the Natural History Museum and ...

Scientists switch on predatory kill instinct in mice

Researchers at Yale University have isolated the brain circuitry that coordinates predatory hunting, according to a study in the January 12 issue of Cell. One set of neurons in the amygdala, the brain's center of emotion ...

Precision and brawn a deadly combination

(Phys.org) —A bizarre, pouched super-predator that terrorised South America millions of years ago had huge sabre-like teeth but its bite was weaker than that of a domestic cat, new research shows.

Piranha tops T Rex in the bite league, study finds

Outsized jaw muscles allow the black piranha to exert bite force equivalent to 30 times its bodyweight, a feat unmatched in the natural world, according to results of a finger-risking study published Thursday.

Research shows rats have best bite of rodent world

Scientists at the University of Liverpool have found that mice and rats have evolved to gnaw with their front teeth and chew with their back teeth more successfully than rodents that 'specialise' in one or other of these ...

Gentle bilby had 'killer' ancestor

(PhysOrg.com) -- The gentle rabbit-like bilby - Australia's stand-in for the Easter bunny - had an ancient relative that was a far more fearsome little beast, a new study has found.

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