A fearsome shark bite crushes with raw power, yet a tiny piranha delivers unmatched strength for its size. Scientists compare ...

Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.

A fight between a shark and a piranha is what one would expect to read about in a thriller novel, but not in scientific fact.

COLUMBIA, S.C. (WIS) - As a frame of reference, each animal bite you’ll read about will be measured in pounds per square inch, or PSI. We’ll use the human bite as a baseline, which averages 162 PSI ...

Among the most impressive physical attributes wild animals bring to bear in their battle for survival is the ability to simply chomp down hard. Not surprisingly, when it comes to what animal has the ...