Extras

Video thumbnail: NOVA Are You Feeding a Powerful Facial Recognition Algorithm?

NOVA

Are You Feeding a Powerful Facial Recognition Algorithm?

This algorithm isn't looking for your face only in the photos you've posted.

Are You Feeding a Powerful Facial Recognition Algorithm?

Video thumbnail: NOVA GameStop, Reddit, and the Rise of Risky Trades

NOVA

GameStop, Reddit, and the Rise of Risky Trades

Investing in stock call options is extremely risky.

GameStop, Reddit, and the Rise of Risky Trades

Video thumbnail: NOVA Mexico's COVID Cases and Deaths are Underreported—Why?

NOVA

Mexico's COVID Cases and Deaths are Underreported—Why?

Learn more about the COVID pandemic in Mexico.

Mexico's COVID Cases and Deaths are Underreported—Why?

Video thumbnail: NOVA Texas' Power Grid Trouble is Far From Over

NOVA

Texas' Power Grid Trouble is Far From Over

Why it means we need to rethink our aging energy infrastructure throughout the U.S.

Texas' Power Grid Trouble is Far From Over

Video thumbnail: NOVA Origins of Misinformation and How it Spreads

NOVA

Origins of Misinformation and How it Spreads

We're vulnerable to sharing misinformation because of the way that we communicate.

Origins of Misinformation and How it Spreads

Video thumbnail: NOVA The Big Lie about Monarch Butterflies

NOVA

The Big Lie about Monarch Butterflies

Join NOVA producer Arlo Pérez as he unlearns a “fact” he was taught as a child.

The Big Lie about Monarch Butterflies

Video thumbnail: NOVA How Mask-Wearing Misinformation Became a Reality

NOVA

How Mask-Wearing Misinformation Became a Reality

There are various reasons why people believe in misinformation.

How Mask-Wearing Misinformation Became a Reality

Video thumbnail: NOVA Dream Hacking: Decisions, Addictions, and Sleep

NOVA

Dream Hacking: Decisions, Addictions, and Sleep

Watch the first-ever video documenting this live two-way dream communication.

Dream Hacking: Decisions, Addictions, and Sleep

Video thumbnail: NOVA Why Misinformation Matters

NOVA

Why Misinformation Matters

The spread of misinformation is influencing human behavior.

Why Misinformation Matters

Video thumbnail: NOVA New COVID-19 Variants Spread More Easily

NOVA

New COVID-19 Variants Spread More Easily

Why are the new coronavirus variants making COVID-19 more transmissible?

New COVID-19 Variants Spread More Easily

Video thumbnail: NOVA Lingering Symptoms from COVID-19 are “Unprecedented”

NOVA

Lingering Symptoms from COVID-19 are “Unprecedented”

Could an out-of-order immune system be to blame?

Lingering Symptoms from COVID-19 are “Unprecedented”

Video thumbnail: NOVA This University Monitors COVID-19 Through Saliva Testing

NOVA

This University Monitors COVID-19 Through Saliva Testing

The University of Illinois is trying to control the spread of COVID-19 by collecting spit.

This University Monitors COVID-19 Through Saliva Testing

Video thumbnail: NOVA High-Risk High-Rise Preview

NOVA

High-Risk High-Rise Preview

Can skyscrapers be made safer, more efficient, and livable in our rapidly growing cities?

High-Risk High-Rise Preview

Video thumbnail: NOVA NOVA Universe Revealed: Big Bang Preview

NOVA

NOVA Universe Revealed: Big Bang Preview

Venture back to the birth of space and time as NOVA probes the mystery of the Big Bang.

NOVA Universe Revealed: Big Bang Preview

Video thumbnail: NOVA Sagittarius A*: The Void at the Center of our Galaxy

NOVA

Sagittarius A*: The Void at the Center of our Galaxy

Scientists believe a giant black hole sits at the center of our galaxy.

Sagittarius A*: The Void at the Center of our Galaxy

Video thumbnail: NOVA NOVA Universe Revealed: Black Holes Preview

NOVA

NOVA Universe Revealed: Black Holes Preview

Take a seat on the ultimate thrill ride as NOVA explores the universe’s strangest objects.

NOVA Universe Revealed: Black Holes Preview

Video thumbnail: NOVA Yes, There's Really a Frozen Exoplanet named Hoth

NOVA

Yes, There's Really a Frozen Exoplanet named Hoth

No one predicted that planets like this were even possible.

Yes, There's Really a Frozen Exoplanet named Hoth

Video thumbnail: NOVA NOVA Universe Revealed: Alien Worlds Preview

NOVA

NOVA Universe Revealed: Alien Worlds Preview

Visit exotic worlds orbiting distant suns as NOVA tackles the big question: are we alone?

NOVA Universe Revealed: Alien Worlds Preview

Video thumbnail: NOVA NOVA Universe Revealed: Milky Way Preview

NOVA

NOVA Universe Revealed: Milky Way Preview

Explore the wonders and mysteries of our galaxy—the giant city of stars we call home.

NOVA Universe Revealed: Milky Way Preview

Video thumbnail: NOVA The Milky Way and Andromeda Galaxies will Someday Collide

NOVA

The Milky Way and Andromeda Galaxies will Someday Collide

The Milky Way as we know it today is not eternal.

The Milky Way and Andromeda Galaxies will Someday Collide

Video thumbnail: NOVA Gaze at Galaxies with NASA's Hubble Space Telescope

NOVA

Gaze at Galaxies with NASA's Hubble Space Telescope

The Hubble Space Telescope has revolutionized our understanding of the universe.

Gaze at Galaxies with NASA's Hubble Space Telescope

Video thumbnail: NOVA Will the Universe's Stars Someday Disappear?

NOVA

Will the Universe's Stars Someday Disappear?

The age of stars is not as enduring as it might seem.

Will the Universe's Stars Someday Disappear?

Video thumbnail: NOVA NOVA Universe Revealed: Age of Stars Preview

NOVA

NOVA Universe Revealed: Age of Stars Preview

Voyage to discover the sun’s place in a grand cycle of birth, death and renewal.

NOVA Universe Revealed: Age of Stars Preview

Video thumbnail: NOVA How a Star Dies in a Supernova

NOVA

How a Star Dies in a Supernova

The saying "live fast, die young" applies to stars, astrophysicist Grant Tremblay says.

How a Star Dies in a Supernova