Up Next
Back to Show
It's Okay to Be Smart
The Mystery of Earth's Disappearing Giants
We investigate a mystery. Millennia ago, while much of the Earth was covered in ice, enormous animals lived on every continent except Antarctica. Species like ground sloths, mammoths, gomphotheres, sabertooth cats, even wombats the size of cars! Today, Africa is the only continent where these megafaunas still exist. Why? What happened to the rest of Earth’s giants?
Support Provided By
12:09
Learn about the space junk problem and the giant space claw named ClearSpace-1 that might
14:28
These tiny pieces of an ancient asteroid could hold the secret to the origin of life.
10:28
What do scientists think are the best ways of reaching out to aliens?
9:40
How bad is climate change in 2023? Can we do anything about it?
13:38
A cosmic soup hadn’t existed in 13.8 billion years. Now, scientists cook it up in a lab.
12:56
After a century of industrial pollution and superstorms, New York's waterways needs help!
37:33
Crashing a car is usually a terrible accident. But sometimes, it’s a way to save lives.
18:10
A huge part of our identities, emotions, and our lives get tied up...Why is that?
10:57
X is everywhere and it’s probably thanks to math. But why is x the symbol for the unknown?
17:34
What’s the most average thing in the universe? We’re on a mission to find it.
17:48
New ideas come from chance events and unexpected connections involved in working together.
11:18
Our universe locked incredible secrets in a code written in rainbows.