The giant squid, recorded for the first time in its natural habitat. We’re looking at the myth and intimate reality of a deep sea marvel.

Creating new life and bringing back old. Maybe even Neanderthal man.

Fire-walking, the hydrogen bomb, Death Valley, and more. We’ll go deep on the essence of heat.

The real cosmology of the ancient Maya, as Mayan apocalypse fever hits American pop culture.

Once we went to the Moon. Now we make smartphone apps. We’ll talk about really taking on our big challenges, with big ambition again. Cancer. The climate. Sky’s the limit.

Big powers want to chop up the global internet and put nations in charge. Russia. China. We’re looking at the push to rein in the web.

A.I., artificial intelligence, is on the move again. Deep learning. Big strides. It may change the world around you.

In the wake of Hurricane Sandy, New York looks at sea walls. So will we.

Women freezing their eggs against future infertility –or, as a lifestyle choice. We’ll look at the science and its limits.

The right to die. Death with dignity. Assisted suicide. It’s the law in Oregon, Washington. It’s on the ballot in Massachusetts. We’ll look at “death on demand.”