Earth teems with a staggering variety of animals, including 9,000 kinds of birds, 28,000 types of fish, and more than 350,000 species of beetles. What explains this explosion of living creatures—1.4 million different species discovered so far, with perhaps another 50 million to go? The source of life's endless forms was a profound mystery until Charles Darwin brought forth his revolutionary idea of natural selection. But Darwin's radical insights raised as many questions as they answered. What actually drives evolution and turns one species into another? To what degree do different animals rely on the same genetic toolkit? And how did we evolve?

Meet Nikola Tesla, the genius engineer and tireless inventor whose technology revolutionized the electrical age of the 20th century. Although eclipsed in fame by Edison and Marconi, it was Tesla's vision that paved the way for today's wireless world. His fertile but undisciplined imagination was the source of his genius but also his downfall, as the image of Tesla as a mad scientist came to overshadow his reputation as a brilliant innovator.

Join critically-acclaimed author and evolutionary biologist Richard Dawkins and world-renowned theoretical physicist and author Lawrence Krauss as they discuss biology, cosmology, religion, and a host of other topics.

On April 25, 1953, James Watson and Francis Crick published their groundbreaking discovery of the double helix structure of DNA. But their crucial breakthrough depended on the pioneering work of another biologist, Rosalind Franklin. 50 years later, NOVA investigates the shocking truth behind one of the greatest scientific discoveries and presents a moving portrait of a brilliant woman in an era of male-dominated science.

After an unprecedented global pandemic has turned the majority of humankind into violent infected beings, Morgan, a man gifted with the ability to speak the infected's new language, leads the last survivors on a hunt for patient zero and a cure.

In 1929, an expedition of university botanists enter an uncharted forest where they discover, and must escape an ancient organism.

Hanna and Simon are in a 20 year marriage with an unexciting relationship. By chance, they both meet and start separate affairs with Adam. Adam has no idea that his two lovers are married, until they are all found out when Hanna becomes pregnant, with the natural doubts stemming from their situation.

Of the Seven Wonders of the Ancient World, the Pyramid is the only one to survive. Many believe that even with our 21st-century technology, we could not build anything like it today. Based on the most up-to-date research and the latest archaeological discoveries, here is how the Pyramid came to be.

A university research scientist, about to lose funding and status, has a lab accident and discovers he can see people's true intentions -- making his situation even worse.

Prot is a patient at a mental hospital who claims to be from a far away planet. His psychiatrist tries to help him, only to begin to doubt his own explanations.

Schoolteacher Bertram Cates is arrested for teaching his students Darwin's theory of evolution. The case receives national attention and one of the newspaper reporters, E.K. Hornbeck, arranges to bring in renowned defense attorney and atheist Henry Drummond to defend Cates. The prosecutor, Matthew Brady is a former presidential candidate, famous evangelist, and old adversary of Drummond.

The film interweaves the personal accounts of polio survivors with the story of an ardent crusader who tirelessly fought on their behalf while scientists raced to eradicate this dreaded disease. Based in part on the Pulitzer Prize-winning book Polio: An American Story by David Oshinsky, Features interviews with historians, scientists, polio survivors, and the only surviving scientist from the core research team that developed the Salk vaccine, Julius Youngner.