Hi! I took my African Ancestry DNA Test hoping for certain results, but could have never guessed what the actual results turned out to be. Watch to see my live reaction!!

posted by bobknight33 11 months 3 weeks ago • 191 views • 12:25

YouTube description: In the last 20 years it's been surprisingly common for space probes to end missions early because reaction wheels have failed, moreover there's been a large number of failures associated... continue reading

posted by Aard Vark (oritteropo) 1 year 3 months 2 weeks ago • 562 views • 7:10

Without neutrons, harnessing nuclear energy would be impossible. Try Audible free for 30 days: http://audible.com/veritasium I have a new documentary coming out in a few months - sign up here to be... continue reading

posted by b4rringt0n 1 year 7 months 1 week ago • 638 views • 7:38

At the old hut site (the new one being temporarily cut off by flooding) I made lime mortar from the shells of rainforest snails by firing them in a kiln, slaking them in water, mixing them into lime putty.... continue reading

posted by Mordhaus 1 year 9 months ago • 194 views • 7:08

YouTube description: On the river Rhine in Switzerland, there are reaction ferries: boats with no engine, no paddles, no onboard motive power at all. Here's how they work -- and a question about what... continue reading

posted by Aard Vark (oritteropo) 2 years 2 months ago • 598 views • 2:30

This French PSA is going viral. Fake car noise is blared at jaywalkers in a crosswalk, simulating a car screeching towards them at speed with it's brakes locked. The reactions are priceless, and caught... continue reading

posted by newtboy 2 years 6 months 2 weeks ago • 1,434 views • 1:55

Via YouTube: Incredible view of the western world from the mind of a small tribe living in the Amazon rain forest.

posted by Gratefulmom 2 years 8 months 2 weeks ago • 1,289 views • 6:30

Love these vids; I learn something every time. Simply put, Sir Martyn Poliakoff explains every bit of the catalytic reaction of breaking the bonds within the Hydrogen Peroxide molecule, to somewhat dramatic... continue reading

posted by oblio70 3 years 2 months 3 weeks ago • 143 views • 8:08

The reaction of Sulfuric Acid and Matches, I feel it's something new.

In this video we show Safety Matches lit with Sulfuric acid. Concentrated sulfuric acid found in drain cleaner may be used. What's happening is the sulfuric acid reacts with potassium chlorate to produce... continue reading

Maybe when I was younger ...

posted by PlayhousePals 3 years 3 months 2 weeks ago • 625 views • 3:35

"Urushiol oil in poison sumac, poison oak, and poison ivy may produce a severe skin rash. Timely urushiol removal can prevent poison ivy skin reaction. The key is to understand how poison ivy works... ... continue reading

posted by ant 3 years 4 months 2 weeks ago • 1,232 views • 5:14

From YT: Chemicals React!:

On this episode of Breaking Trail, Coyote receives the WORST animal bite of his life when he is accidentally bitten by the only venomous lizard in the United States, the Gila Monster! Known for having... continue reading

posted by Mordhaus 3 years 7 months 2 weeks ago • 388 views • 5:38

My favorite insect in all the land! YouTube: The Dragonflies vision is so quick but will it detect the high speed pea?

posted by PlayhousePals 4 years 1 week ago • 112 views • 4:14

I hate needles!

posted by PlayhousePals 4 years 1 month 2 weeks ago • 505 views • 3:27

YT: It's our favourite reaction - the barking dog - but in a newly uncovered 3m high tube!

posted by Fantomas 4 years 4 months 1 week ago • 34 views • 6:31

Warning****hard to watch badly poisoned dog, but he's saved and healthy in the end. In a very close brush with death, we rescued this very sweet dog who had most likely ingested rat poison containing... continue reading

posted by newtboy 4 years 6 months 3 weeks ago • 420 views • 2:51

YouTube: This week, science explains the chemical love-connection we share with our dogs, and how some of the most isolated populations of people in the world are different on the inside

posted by PlayhousePals 4 years 7 months 3 weeks ago • 140 views • 4:38

This explains a lot! YouTube: It’s supposed to help keep your body healthy in stressful situations. But the constant stress of our everyday lives means we’re getting overexposed to cortisol. Raychelle... continue reading

posted by PlayhousePals 4 years 8 months 1 week ago • 101 views • 2:52