This is without a doubt the most entertaining A Capella Science song yet. The song assumes you already know about Crispr-Cas9, so it never actually explains that it's a targeted gene editing technique... continue reading

posted by Aard Vark (oritteropo) 8 years 1 month 2 weeks ago • 497 views • 6:07

YouTube: Virtual particles are a way of talking about fields and their interactions as though particles are doing all the work. This is why there is some controversy around using the term 'virtual particles'.... continue reading

posted by PlayhousePals 8 years 2 months 2 weeks ago • 26 views • 8:43

Practice! YouTube: If most people got on a skateboard, they would roll forward slowly for a few feet, then fall down and break their wrists. But there are a proud few who can do some pretty amazing... continue reading

posted by PlayhousePals 8 years 2 months 3 weeks ago • 12 views • 3:11

WHEEEEE! YouTube: Roller coasters give people the opportunity to experience physics in dramatic ways. In this episode of SciShow, we break down how physics work on roller coasters to give you the ride... continue reading

posted by PlayhousePals 8 years 3 months ago • 71 views • 3:39

The sound of the collision from a billion light-years away is the first direct evidence of gravitational waves, the ripples in the fabric of space-time that Einstein predicted a century ago.

posted by blacklotus90 8 years 9 months 2 weeks ago • 778 views • 4:36

How astronauts exercise effectively in a zero gravity environment.

posted by PlayhousePals 8 years 10 months 4 weeks ago • 556 views • 11:55

YouTube Description: Jellyfish don’t have a heart, or blood, or even a brain. They’ve survived five mass extinctions. And you can find them in every ocean, from pole to pole. What’s their secret?... continue reading

posted by Aard Vark (oritteropo) 9 years 1 month 1 week ago • 170 views • 2:56

"But the black hole wouldn't stop with just you ... "

posted by PlayhousePals 9 years 4 months 1 week ago • 641 views • 3:38

"Michael Jordan’s legendary slam dunk from the free throw line has been calculated at 0.92 seconds of pure hang time. But how many seconds could Jordan have gotten were he doing the same jump on Mars?... continue reading

posted by messenger 9 years 4 months 2 weeks ago • 42 views • 3:46

"Exercising stimulates bone remodeling and ultimately bone strength." uhoh YouTube: Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying... continue reading

posted by PlayhousePals 9 years 6 months 1 week ago • 31 views • 10:38

YouTube:The gravity of the situation is clear – and yes, it’s going to hurt. But what are a few broken bones when the alternative is plummeting to your doom?

posted by PlayhousePals 9 years 6 months 3 weeks ago • 1,195 views • 1:10

"Since the 1960s, developmental psychologists point to the 'Visual Cliff'—an experiment that plops babies on a fake precipice—as proof that infants learn to fear heights as they learn to crawl. Yet,... continue reading

posted by ant 9 years 7 months 3 weeks ago • 386 views • 5:31

"What happens when you drop a perfectly balanced stack of balls? And how is the result like a supernova? The classic momentum transfer demonstration, at the next level..." From http://boingboing.net/2015/02/24/how-to-... continue reading

posted by ant 9 years 9 months ago • 1,125 views • 3:34

"Mars is cold, red and dead."

posted by PlayhousePals 1 decade 1 week ago • 210 views • 4:03

YT: Water in rivers, in a glass, or falling from clouds obeys gravity. It's going to fall towards the ground because of the physical pull of the earth. But, what if we told you that you could turn a glass... continue reading

posted by Zawash 1 decade 1 month 3 weeks ago • 110 views • 1:06

Apples be falling on the regular.

posted by Warren E. Hale (MrFisk) 1 decade 4 months ago • 1,956 views • 4:13

Derek Muller from Veritasium lifts a gyroscopic fly wheel above his head.

posted by nock 1 decade 8 months 1 week ago • 1,172 views • 5:42

YouTube Description: Hank shares the latest developments in science, this week demystifying three freaky things in nature: the polar vortex, why some bugs are infertile, and how a chain can appear to defy... continue reading

posted by PlayhousePals 1 decade 10 months 1 week ago • 289 views • 4:46