Up Next

Do Birds Remember Faces?

Do Birds Remember Faces?

Do Birds Remember Faces?

Video

1:49

NOVA Goes Ballistic

NOVA Goes Ballistic

NOVA Goes Ballistic

Video

1:11

NOVA’s Big Ideas of 2017

NOVA’s Big Ideas of 2017

NOVA’s Big Ideas of 2017

Video

3:08

How to Prevent Train Crashes

How to Prevent Train Crashes

How to Prevent Train Crashes

Video

1:20

The Impossible Is Possible

The Impossible Is Possible

The Impossible Is Possible

Video

0:52

Inside A Solar Plane Flight

Inside A Solar Plane Flight

Inside A Solar Plane Flight

Video

0:57

Searching for a Skull

Searching for a Skull

Searching for a Skull

Video

3:30

Predicting Landslides

Predicting Landslides

Predicting Landslides

Video

1:34

Does the Flu Shot Work?

Does the Flu Shot Work?

Does the Flu Shot Work?

Video

2:14

What is a P-Value?

What is a P-Value?

What is a P-Value?

Video

4:12

The Wisdom of the Crowds

The Wisdom of the Crowds

The Wisdom of the Crowds

Video

3:38

Dunkirk: Hilter’s Secret Weapon

Dunkirk: Hilter’s Secret Weapon

Dunkirk: Hilter’s Secret Weapon

Video

4:14

Back to Show

NOVA

Four Types of Black Holes

Black holes are mind-blowing. Discover the FOUR types of black holes that exist in the cosmos.