Pork, farm-raised salmon, chicken and turkey are all on a par when it comes to greenhouse gas emissions, but pigs are in a category of their own when it comes to environmental impact.
This dinosaur may be pint-sized, but it was still a predator.
No helpless child, this juvenile dinosaur didn't have to rely on mom and dad for a meal.
The dinosaur lived about 205 million years ago in what is now Ghost Ranch, N.M., which inspired the animal's spooky name.
Plants would seem to live in the slow lane, but this carnivorous plant may be an exception.
No shameless scavenger, T. rex was six tons of teeth, muscle and sinew -- a born hunter.
The tiny, bug-eating dinosaur is the only one of its kind known to have just one finger.
A small, two-legged dinosaur lived 230 million years ago and was an early ancestor of all predatory dinos.
The beak was like a Swiss Army knife for dinosaurs because it provided many tools in one unit.
A new method of identifying human gnaw marks on bones suggest early humans got nutrition from each other's flesh.
