"Handing out business cards? Or just joining LinkedIn? Not anymore. This is a new and startling look at the art and science of networking. Everybody knows that in order to expand your business opportunities, it's essential to reach out and build your network. But did you know that it's your secondary, or dormant, contacts who will be the most helpful to you? Or that too many of us inadvertently run the risk of isolating ourselves into corporate silos?...

Learn about fossils, what they are and how they are formed.

It was early September 2009. Researcher BJ Kirschhoffer was in Churchill, Canada, to study polar bears. It didn't take long, however, for him to notice that something was wrong. There were bears all over the place, but many did not look healthy. Some were so skinny that BJ could see their ribs through their white fur. Why weren't these bears getting enough food to eat?

Explains what nurses do during a typical work day.

On remote Codfish Island off the southern coast of New Zealand live the last 91 kakapo parrots on earth. Originally this bird numbered in the millions before humans brought predators to the islands. Now on the isolated island refuge, a team of scientists is trying to restore the kakapo population.

With their numbers diminishing, scientists are trying to solve the mystery of whale strandings. Why would the world's largest mammal do something that would most likely cause it to die? Around the world, scientists are trying to find the answer.