Skip to main content

Up Next

Why Are We Warm-Blooded?

Why Are We Warm-Blooded?

Season 9 Episode 6
11:18
A Brief (Scientific) History of Butts

A Brief (Scientific) History of Butts

Season 9 Episode 8
12:27
Why Is Sex a Thing?

Why Is Sex a Thing?

Season 9 Episode 9
12:31
How Much Of You Is Alive?

How Much Of You Is Alive?

Season 9 Episode 10
12:05
How the Zebra Really Got Its Stripes?

How the Zebra Really Got Its Stripes?

Season 9 Episode 11
13:13
What Is Nothing?

What Is Nothing?

Season 9 Episode 15
14:06
Why Do We Dream?

Why Do We Dream?

Season 9 Episode 16
14:29
Back to Show
It's Okay to Be Smart

How Ocean Currents Work (and How We Are Breaking Them)

Season 9 Episode 5

Ocean currents are our planet’s circulatory system, and they keep everything from ecosystems to the climate healthy. But we’re changing Earth in ways that threaten to disrupt and even break critical ocean currents like the planet-wide Great Ocean Conveyor. We explain how ocean currents work, how climate change is threatening to disrupt them, and what we can do to stop that from happening.

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Season
Crash Test Science! (Hacking Physics To Save Lives)
37:33
Crashing a car is usually a terrible accident. But sometimes, it’s a way to save lives.
The Strange Psychology of Superfans
18:10
A huge part of our identities, emotions, and our lives get tied up...Why is that?
How Did X Become the Unknown (and so much else)?
10:57
X is everywhere and it’s probably thanks to math. But why is x the symbol for the unknown?
What Is The Most Average Thing?
17:34
What’s the most average thing in the universe? We’re on a mission to find it.
The Biggest Myth About Innovation
17:48
New ideas come from chance events and unexpected connections involved in working together.
Why Some of the Rainbow is Missing
11:18
Our universe locked incredible secrets in a code written in rainbows.
The Truth About Butterfly Metamorphosis (It's Very Weird)
13:54
Butterfly metamorphosis is one of nature’s most magical transformations.
How Scorpions Became Earth’s Ultimate Survivors
14:03
Scorpions are an evolutionary marvel with venom that could save lives.
Lab-Grown Meat is Here… and I Taste-Tested It!
14:29
Join me on my visit to the most advanced cultivated meat production facility in the world.
The Deadly Chemistry That Made Life Interesting
14:03
Life on Earth may have stayed boring and small if it weren’t thanks to one deadly element.
How the CIA Secretly Spied On Climate Change
17:58
How the CIA used Cold War technology to study and combat climate change
Why Y Is a Vowel According to Physics (and so is W)
13:58
The secret physics at the core of every syllable, starting with the first words we speak.
Active loading indicator