NOVA scienceNOW

Researchers are pushing the boundaries of their fields to develop more accurate and efficient responses against international terrorism.

Survival instructor Marc Mouret have 100 days to sharpen his body and mind to take on extraordinary challenges.

Take a mind-blowing journey through human history, told through six iconic objects that modern people take for granted, and see how science, invention and technology built on one another to change everything.

Geologist Iain Stewart explain in three stages of natural history the crucial interaction of our very planet's physiology and its unique wildlife. Biological evolution is largely driven bu adaptation to conditions such as climate, soil and irrigation, but biotopes were also shaped by wildlife changing earth's surface and climate significantly, even disregarding human activity.

They are some of the world’s all-time greatest building projects. Most have stood the test of time, but with today’s technology, could they be duplicated and done better?

David Attenborough embarks on a remarkable 500 million-year journey revealing the extraordinary group of animals that dominate our world, and how their evolution defines our human bodies.