Up Next
Back to Show
It's Okay to Be Smart
ЩΉӨ BЦIᄂƬ ƬΉΣ PYЯΛMIDƧ - Who Built The Pyramids
Season 5
Episode 19
when the pyramids were built, the ancient Egyptians hadn’t invented the wheel, developed bronze tools, or discovered pi. How were they able to stack two million stone blocks, each weighing more than two tons, into precise geometric alignments that would survive more than 4,000 years and capture the imaginations of explorers throughout history? They did it the same way we always have: by trial and
Support Provided By
Season
12:15
These diamond makers create one of the most amazing materials on Earth — from dead people.
11:20
Learn nature’s ultimate game of hide-and-seek, and the way to win this game is all in the brain.
11:17
Nature has had to come up with some crazy ways to survive winter. None are weirder than hibernation.
12:40
Political scientist Don Green joins Joe to figure out the complex psychological and social factors t
16:27
Why do certain sounds make some of us so upset?!
11:43
Despite what you may have heard or learned in school, the sun is NOT the center of the solar system.
10:23
People see faces everywhere thanks to a quirk of the brain called visual pareidolia.
10:00
Why do the same, self-repeating patterns appear in trees, rivers, lightning, and even our bodies?
15:25
Our animal brains deal with quantities in very specific, and fascinating, ways.
12:54
Can new technologies make death prediction even more accurate?
21:33
AI may help us talk to whales soon. But should we?!
10:40
The cosmic distance ladder is the world’s longest ruler, built to measure the universe.