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?
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
7:46
Or… maybe the question of what is and isn’t a dinosaur goes deeper than we think?
13:39
No flying animal alive today comes close to their huge size.
13:44
Why do viruses like SARS-CoV-2 happen and why are they becoming more frequent?
9:57
Learn about this Nature Challenge.
2:13
Evolution has given us the gifts we need to survive this difficult time. Here's how.
10:52
Celebrating 30 years of the Hubble Space Telescope.
9:52
Let’s dig into our evolutionary past to try and find an answer.
13:12
Here’s the science of handwashing!
7:35
Stay informed. Stay cautious, but not scared.
12:19
Do the supposed advantages for springing forward and falling back hold up?
8:23
The sunlight we see is tens of thousands of years old. How is that possible?
8:19
If humans are so smart, why are our babies so… un-smart?