When we say a meme goes “viral,” we aren't actually saying it's making people sick. But the math behind a meme’s spread suggests it's actually a pretty spot-on analogy.

How Do Airplanes Fly?

Sometimes looking into a pool of a toxic liquid holds the secrets of the universe–or maybe just this one time.

How different would things be if Earth had always rotated in the opposite direction? Hosted by: Stefan Chin

Charlayne Hunter-Gault remembers her friend Dr. Hamilton Holmes, who died in 1995 at age 54. In 1961, the two made history as the first African Americans to attend the University of Georgia.

Claremont Lincoln University, a graduate school in California, is the first in the United States to bring together Christians, Jews and Muslims in the same classrooms to educate the future leaders of churches, synagogues, and mosques.

Physicist Brian Greene explains superstring theory, the idea that minscule strands of energy vibrating in 11 dimensions create every particle and force in the universe.

unlock the mysteries and inner workings of the world through one of the most imaginative art forms ever -- mathematics -- with Roger Antonsen, as he explains how a slight change in perspective can reveal patterns, numbers and formulas as...

At TED2010, mathematics legend Benoit Mandelbrot develops a theme he first discussed at TED in 1984 -- the extreme complexity of roughness, and the way that fractal math can find order within patterns that seem unknowably complicated.

Why Do Rivers Curve

How Do Airplanes Fly?

After mapping humans' intricate social networks, Nicholas Christakis and colleague James Fowler began investigating how this information could better our lives. Now, he reveals his hot-off-the-press findings: These networks can be used...

Onstage at TED2012, Peter Diamandis makes a case for optimism -- that we'll invent, innovate and create ways to solve the challenges that loom over us. "I’m not saying we don’t have our set of problems; we surely do. But ultimately, we...

Are you there Dark Matter? It's me, a billion pendulums.

In baseball, a curveball can be pretty hard for a batter to hit. And it turns out the reason why might have more to do with the batter's eyes than the pitcher's arm!

SciShow Talk Show is back! Hank talks to Jimmy Henderson about project MINERVA, or is it the MINERVA Project? Special Guest Jessi Knudsen Castañeda introduces two red eyed crocodile skinks!

It’s amazing how professional baseball players can throw very fast curveballs, but do you know how do curveballs change direction in midair?

Paul Andersen explains how the long tail of the internet is opening up new possibilities for educational videos

Drawing curves that fill all of space, and a philosophical take on why mathematics about infinite objects can still be useful in finite contexts.

People have suspected that Earth rotates for thousands of years, but how did we first prove it?

In 1967, Homer Loutzenheuser flipped a switch and connected the power grids of the United States, forming one interconnected machine. Today, the US power grid is the world's largest machine, containing more than 7,300...

How different would things be if Earth had always rotated in the opposite direction?

Time stamps:

0:00 - Fake sphere
proof
1:39 - Fake pi
= 4 proof
5:16 - Fake proof that all triangle
s are isosceles
9:54 - Sphere
"proof" explanation
15:09 - p
i = 4 "proof" explanation
16:57 - Triangle "proof"...

A beautiful proof of why slicing a cone gives an ellipse.