A new world record for atmospheric carbon dioxide, "zombie" worms make their home in whale bone, West Nile virus does well in hotter climates, and male spiders take a bite out of their mates from time to time.

Great Zebra Exodus explores parenthood and the fragility of young life—from zebras to lapwings to meerkats. It’s a tale of loyalty and sacrifice, of home and exile, of death and new life, set against the backdrop of one of Africa’s most surreal landscapes. Watch the film Great Zebra Exodus online.

Zebras are social African equids best known for their unmistakable black-and-white stripes. The plains zebra is featured in PBS Nature's Great Zebra Exodus. Learn more about zebra anatomy, diet, habitat, and social structure.

New techniques for 3­D imaging of fossilized bacteria reveal that Earth had a smelly past, a species of bat has developed a specialized tongue that changes shape near nectar-producing flowers, and what the coming cicadas could tell us about climate change.

In the Botswana’s Makgadikgadi Pans, meerkat pups struggle to master the animal's signature upright posture. Adults will often babysit the pups while the other meerkats leave the den in search of food.

There is no permanent water in Botswana’s Makgadikgadi Pans. It is only seasonal rains that make the saltpans habitable for thousands of zebra. When the dry season begins, the striped nomads start the long, hard migration west to the Boteti River for fresh drinking water.

Great Zebra Exodus explores parenthood and the fragility of young life—from zebras to lapwings to meerkats. It’s a tale of loyalty and sacrifice, of home and exile, of death and new life, set against the backdrop of one of Africa’s most surreal landscapes.

A look at how wild deer interact with one another, and how they adapt to living in a suburban environment. Watch the full film online.

Highly adaptable, whitetailed deer are able to succeed where other species cannot. Just a century ago there were around 1 million deer in North America. Today, there are 30 million. Learn about whitetail anatomy, their diet, habitat, and other deer facts.

Producer Kevin Bachar on how the filmmakers of "The Private Life of Deer" tracked and filmed populations of whitetailed deer in the suburbs of New York.