News from Nature - Off Africa's east coast on the island of Madagascar, National Geographic grantee Valerie Clark tests the toxicity of Mantella poison frogs - by licking them. Only mildly toxic to humans, the frogs are proof that "you are what you eat." Clark hopes to discover exactly what insects the frogs are eating and wonders if a collapse in insect diversity will threaten the frogs' ability to survive. Stories from the Wild - In Cambodia's vast Mondulkiri province, a group of adventurous cyclists embark on unmarked paths through the remote wilderness. On rugged terrain inaccessible to vehicles, the group relies on elephant transportation. Mapping the route for future thrill-seeking tourists, these cycling explorers also want to conserve the region's natural resources and increase animal populations. GeoCast - National Geographic photographer Steve Winter climbs high into the Himalaya to find and photograph the elusive snow leopard. Notoriously camera-shy, less than 3,500 of the species are left on the planet. The Baka people maintain their ancient hunter-gatherer lifestyle in Cameroon's rainforests, but loggers are encroaching and survival is a challenge. Join the resilient Baka on a hunt, with just a single bullet available to take down a forest buffalo needed to feed the village for weeks to come. Costa Rica's rain forests house many tropical bird species, but the growth of coffee plantations threatens their natural habitat. Using radiotransmitters to study the adaptations of the nightingale thrush and white-throated thrush species, National Geographic grantee Cagan Sekercioglu discovers that not all birds can easily live in this altered landscape. It's true that some bats in Central America feast on blood, but beyond the myths, a look at the secret life of bats reveals just how important they are. The only true flying mammals, bats play a crucial role in the health of tropical forests - eating insects, dispersing seeds and pollinating flowers.