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NOVA

Mystery of a Masterpiece

52:52Expires: 12/15/15

Experts investigate whether a portrait sold for about $20,000 in 1998 is a lost Leonardo.

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Art Authentication

Art Authentication

See if clever computer algorithms can distinguish a master forgery from a masterpiece.

Catching a Copy

Catching a Copy

See if you can tell a fake from a genuine van Gogh, and hear how one team of computer scientists did it.

Profile: Hany Farid

Profile: Hany Farid

This self-proclaimed "accidental scientist" is a digital detective inventing new ways to tell if photos hav...

Episodes of NOVA41

NOVA

Memory Hackers

Scientists are learning how we can edit memories—and delete our worst fears.

53:07

NOVA

Creatures of Light

Deep in the ocean, animals that flash, sparkle, and glow use light to survive in the dark.

53:07

NOVA

Himalayan Megaquake

The 2015 quake that rocked Nepal was the biggest in 90 years—can we forecast the next one?

53:07

NOVA

Mystery Beneath the Ice

What’s behind the death of a tiny creature with an outsized role in the Antarctic?

52:51

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Clips of NOVA180

NOVA

Implanting False Memories

How to make someone believe they’ve committed a crime that never happened.

3:17

NOVA

Amazing Calendar Trick

With a dash of math, know the day of the week for any date on the calendar.

4:17

NOVA

The Hidden Fluorescent World

The proteins that make fish fluoresce could help scientists map the human brain.

3:19

NOVA

How to Find a Galaxy

Knowing the addresses of a thousand galaxies yielded a remarkable picture of our universe.

4:24

NOVA

A Rock Symphony

Robert Hazen is a geologist who plays music—two interests that have a lot in common.

1:34

NOVA

Bazaar Rocks

It’s possible to find all of Earth’s history tucked inside a market stall in Morocco.

2:24

NOVA

A Cathedral of Ice

A scientist dives beneath the surface of the frigid Antarctic ice sheet.

2:45

NOVA

The Minerals Behind Modern Life

Minerals are essential in making everything from skyscrapers tall, to mobile phones small.

2:04

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Previews of NOVA150

NOVA

Rise of the Robots Preview

How will human-like robots change our future and how we see ourselves?

0:30

NOVA

Himalayan Megaquake Preview

The 2015 quake that rocked Nepal was the biggest in 90 years—can we forecast the next one?

0:30

NOVA

Memory Hackers Preview

Scientists are learning how we can edit memories—and delete our worst fears.

0:30

NOVA

Mystery Beneath the Ice Preview

What’s behind the death of a tiny creature with an outsized role in the Antarctic?

0:30

See all