Sarah Holt

As the deadliest drug epidemic in US history rages, follow the cutting-edge work of doctors and scientists as they explore how ADDICTION affects the...

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....

The rock pocket mouse is a living example of Darwin's process of natural selection. Evolution is happening right now everywhere around us, and...

The rock pocket mouse is a living example of Darwin's process of natural selection. Evolution is happening right now everywhere around us, and...

NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the latest medical...

NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the latest medical...

NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the latest medical...

NOVA investigates the story of cannabis from the criminalization that has disproportionately harmed communities of color to the latest medical...

It's death on an unimaginable scale, when a majority of Earth's species quickly die out. It's called "mass extinction," and it's happened at least...

It's death on an unimaginable scale, when a majority of Earth's species quickly die out. It's called "mass extinction," and it's happened at least...

It's death on an unimaginable scale, when a majority of Earth's species quickly die out. It's called "mass extinction," and it's happened at least...

The art of origami reshapes the world, affecting drug development and future NASA space missions.

Investigate how an asteroid vanquished the dinosaurs 66 million years ago. Join scientists as they drill into the impact crater and, for the first...

Investigate how an asteroid vanquished the dinosaurs 66 million years ago. Join scientists as they drill into the impact crater and, for the first...

The coronavirus SARS-CoV-2 has upended life as we know it in a matter of mere months. But at the same time, an unprecedented global effort to...

The coronavirus SARS-CoV-2 has upended life as we know it in a matter of mere months. But at the same time, an unprecedented global effort to...

The enigmatic nature of the Nixon presidency combined comparatively progressive legislative initiatives with a flagrant abuse of presidential power...

He went off to war an unknown soldier and returned a beloved national hero. Often dismissed as a "do-nothing" president and a good-natured bumbler,...

Scientists are coming to understand fat as a dynamic organ—one whose size may have more to do with biological processes than personal choices....

MacArthur is a 1999 television documentary film about Douglas MacArthur, a United States General of the Army. Produced by PBS for The American...

What will it mean when most of us can afford to have the information in our DNA - all three billion chemical letters of it - read, stored, and...

What will it mean when most of us can afford to have the information in our DNA - all three billion chemical letters of it - read, stored, and...