We’ve invented airplanes, trains, automobiles and so much more to ease the process of traveling. But many animals have adapted their own techniques for energy efficient travel that don’t require invention!

If you want to be able to breathe underwater, you're going to need to get creative. So some turtles, dragonfly nymphs, and sea cucumbers decided to use their butts.

"Survival of the Fittest" sounds like a great WWE show but today we're talking about that phrase as it relates to Charles Darwin and Alfred Wallace. Darwin and Wallace are at the heart of understanding evolution and natural selection....

In which Mike Rugnetta brings you the final installation of our unit on creation myths. This week, we're talking about human beings and their relationship to the natural world. It turns out foundational stories have a lot to teach us...

Howcast - Learn the English words for animals in this Howcast video tutorial with expert Megan Brach.

Howcast - Learn techniques to take the back from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video, part one of two.

Howcast - Learn how to do a rolling calf crush from turtle leg lock in this Howcast video about lower body submission techniques for jiu jitsu, judo, and mma.

Howcast - Learn how to do a rolling knee bar from turtle leg lock in this Howcast video about lower body submission techniques for jiu jitsu, judo, and mma.

Howcast - Learn how to make an origami turtle with this origami video from Howcast.

Howcast - Learn how to do a Peruvian necktie MMA submission from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

Howcast - Learn how to do a belly down arm lock MMA submission from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

Howcast - Learn how to make a fondant turtle from pastry chef Angela Cuervo, winner of Food Network's Sweet Genius, in this Howcast video.

Decorate sugar cookies to bring to a University of Maryland game. These will be the perfect addition for your tailgate party. Let's go, Terps!

She's one of San Diego Zoo's oldest residents.

Learn about efforts by conservationist groups to recover animals potentially in conflict with urbanization.

Meet Harbor, the PPG Aquarium's green sea turtle.

See how veterinarians are giving the animals a second chance.

Watch a pair of tortoises tear some pumpkins apart, and learn why it's the perfect snack.

He's in his eighties, he's over 575 pounds... and he loves neck scratches. Meet Al.

See how veterinarians are giving the animals a second chance.

Learn all about the western pond turtle, and why they are so hard to find.

Learn all about the western pond turtle, and why they are so hard to find.

He may not have speed, but this tortoise has more than one trick up his shell to evade predators.

Find out how he came to live at Utah's Hogle Zoo over 30 years ago, and why he's in for a checkup today.