Scratch-off tickets are big money for state-run lotteries. Is it the promise of winning big that keeps players in the game? Or is there something else happening in the brain? NOVA is available to ...

Algorithms are designed to make medicine more accurate. But when race is factored in, they can worsen inequality. NOVA is available to stream on pbs.org and the free PBS App, available on iPhone, ...

(This program is no longer available for online streaming.) Water. Turn on the faucet and it’s always there. Without it we perish. But how safe is our tap water? In this special report narrated by Joe ...

The culprit is a lesser-known kind of turbulence that’s been increasing since 1979. So how does it work, and what’s causing the rise? National Corporate funding for NOVA is provided by Carlisle ...

For decades UFOs have captivated the public, even as many scientists saw them as too taboo to investigate. Now, after highly publicized sightings of unidentified objects by Navy pilots, UFOs are ...

Discover the past and future of science and technology with an inspiring overview of special programs. Featuring highlights from “NOVA,” “Nature,” “Arizona Horizon” and more, enjoy groundbreaking ...

Where do nature's building blocks, called the elements, come from? They're the hidden ingredients of everything in our world, from the carbon in our bodies to the metals in our smartphones. To unlock ...

Diseases that were largely eradicated in the United States a generation ago—whooping cough, measles, mumps—are returning, in part because nervous parents are skipping their children's shots. NOVA's ...

Black holes get a bad rap. They’ve been cast as the monsters of the cosmos — gobbling up stars and stretching anything that gets too close into cosmic spaghetti. But Black Hole expert Janna Levin has ...

Europa is such a strong candidate for life that NASA launched a mission to explore the moon. National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided ...