Evolution has resulted in the development of both herbivores and carnivores -- but how? What type of food did extinct vertebrates eat? And how can we gain insight into the diets of these creatures? In ...

Its feeding day at the reptile zoo, and that means snakes, lizards, turtles, and more are lining up for their favorite meals! In this action-packed video, Im feeding tons of different reptile species, ...

Women who breast-feed may need to be careful about getting enough calcium to keep their teeth and gums healthy, new animal research suggests. In experiments with rats, researchers found that lactating ...