Imagine getting one flu shot to last a lifetime. The universal vaccine would protect against strains of flu that haven\'t happened yet and even against bird flu. Researchers are getting closer to making that happen.
Mike Tyson says that the first thing he ever loved in his life was a pigeon. So, when a neighborhood bully killed one of his beloved creatures and threw it in his face, Mike Tyson threw his first punch.
The saltwater crocodile is the largest reptile on the planet. The great white shark is the world's largest predatory shark. Saltwater crocodiles usually live in northern Australian rivers and offshore is where a saltwater croc could meet a great white.
On Animal Planet's "Fooled by Nature," leopards go to great lengths to protect their kills from other predators and scavengers. Their ability to carry three times their weight while climbing trees allows them to hold on to their meal.
Growing to more than 30 feet long and weighing 300 pounds, the anaconda is the largest snake on the planet. Pound for pound, the jaguar is more muscular than a tiger or a lion. Find out which of these creatures rules the jungle in "Animal Face-Off."
The American alligator uses its formidable jaws to crush turtles, but find out how it will fare against another Florida native. Black bears are incredibly powerful and can be downright nasty as you'll see in this video from "Animal Face-Off."
More than 500 pounds of brawn and bad attitude, the lion was born to hunt and fight. An ambush predator with a fierce bite, the Nile crocodile is 18 feet long and 2,500 pounds of muscle and menace. Combatants face-off at the watering hole.
After a huge tsunami crashes into the island many dinosaurs die. Pod the Pyroraptor and the few that survive now have to survive the great ocean. Learn more on the Discovery Channel's series, "Dinosaur Planet."
On Animal Planet's series "Fooled by Nature," chameleons are cold-blooded lizards that can change colors according to their mood. They expand and retract color cells located on their skin which provide an array of colors.
On the Discovery Channel series, "When Dinosaurs Roamed America," we learn about the Triassic Period. This was a time when reptiles ruled the earth. Some of these reptiles were docile plant-eaters while others were deadly predators.
In this deleted scene, Jeremy is on the lookout for bull sharks in a popular inlet. He doesn't find one, but what he does find is a rare fish that leaps several feet out of the water with no warning whatsoever.