Descripción: The stealthy bite of the vampire bat silently spreads a deadly disease. The National Geographic Channel: http://channel.nationalgeographic.com/channel/?source=4003

Descripción: A tribe of people in Indonesia believe a woman is more beautiful if she has her teeth chiseled into sharp points. See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: In China a painful surgical procedure called "bone stretching" can make people taller...but is it worth the risk? See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: Bull sharks are known man-eaters. Crittercam goes with them to see how they hunt. See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: Ever wish you could change shape and color the way the Cyanea Octopus can? See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: Are this black-headed snake's eyes bigger than its stomach? Unfortunately for the centipede the answer is no. See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001"

Descripción: See all National Geographic videos: http://video.nationalgeographic.com/video/?source=4001 A 17 year old boy apprentices his way through one of the hardest, foulest-smelling jobs in the world.

Descripción: Teamwork helps fire ants reproduce, take down prey, and strip bones clean. See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: Musk oxen try to protect their young from a pack of arctic wolves. See all National Geographic videos: http://video.nationalgeographic.com/video/?source=4001

Descripción: Meet three unusual sharks who lurk at the bottom of the sea. See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: A terrified group of scientists gets charged by a family of wild gorillas. See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: A treat for some, gross-out for others...a woman serves goat fetus to some wary dinner guests. See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: When they say jumping spider, they're not kidding. This spider can jump 50 times its body length. More worse for its intended victim - in this case, a bee. See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: Sacred to ancient Egyptians, these beetles recycle - of all things - dung. See all National Geographic Videos: http://video.nationalgeographic.com/?source=4001

Descripción: In the scorching desert sky, a hawk spies prey -- a venomous rattler! Who wins out in this battle of the predators? See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001 (more)

Descripción: Did you see the moon last night? Got mosquito spray? Mosquito biting activity increases 500 times during a full moon phase! See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: Yes, leeches suck your blood...but some believe that could be healthy for you. See all National Geographic videos: http://video.nationalgeographic.com/video/?source=4001

Descripción: Things aren't always what they seem, especially when it comes to snakes like these! See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: In an ancient ritual, Ethiopian christians celebrate with a relic so sacred, they may not even cast their eyes upon it. See All National Geographic Videos http://video.nationalgeographic.com/video/?source=4001

Descripción: Natalie Portman, Kyra Sedgwick and Chloe Sevigny explain how an action as simple as changing a light bulb can help reverse the effects of greenhouse gases. Featuring the music of Aimee Mann and remarkable footage from the National Geographic library. For more information visit: http:// green.nationalgeographic.com/?source=4002