"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 7 years 10 months 2 weeks ago • 1,239 views • 5:14

YouTube: As denizens of the internet, most of us are familiar with the trolls. In this episode of SciShow, learn a little about how social scientists think trolls came to be, and how online communities... continue reading

posted by PlayhousePals 7 years 11 months ago • 166 views • 8:56

Tom Scott: "Continuing the occasional Weird European Infrastructure Tour: an Italian lift that switches direction from horizontal to vertical. And honestly, until someone pointed it out to me, I could... continue reading

posted by blacklotus90 8 years 2 weeks ago • 704 views • 2:29

Via YouTube: There are various ways to pronounce "O-U-G-H" in the English language. This was hilariously demonstrated on the "I Love Lucy" television program by Ricky Ricardo (Desi Arnaz) and his wife,... continue reading

posted by Gratefulmom 8 years 2 months 2 weeks ago • 842 views • 3:05

A fun activity to help you figure out if your beliefs are well-grounded.

posted by Magicpants 8 years 3 months 2 weeks ago • 2,513 views • 4:17

The fascinating video above tells the story of MIT Professor Ioannis Yannas, who was recently inducted into the National Inventor’s Hall of Fame alongside such luminaries as the Wright brothers and Steve... continue reading

posted by enoch 8 years 4 months 1 week ago • 1,844 views • 16:57

An interesting riddle - can you sifters solve it, without resorting to the solution in the video (from 1:25)? iflscience: The following riddle is claimed to have been written by Einstein as a boy. It's... continue reading

posted by Zawash 8 years 8 months 3 weeks ago • 52 views • 5:08

Egads ... it's frightening how many of these internet 'sensations' I recognize! I need a life. YouTube: We see you’re on the Internet. That’s great, because we made a safety video starring the Internet.... continue reading

posted by PlayhousePals 9 years 1 week ago • 787 views • 6:08

This master craftsman does a hell of a job with a rotary hammer. Imagine how much work he'll do when he figures out what the cord is for!

posted by newtboy 9 years 6 months ago • 1,154 views • 52 secs

Simulated tornado being generated by a supercomputer (Blue Waters) with 20,000 processing cores. I need a dictionary to figure out half of the terms used in the talk, but the simulations are stunning.

posted by Ashenkase 9 years 6 months 3 weeks ago • 89 views • 16:43

It was the change that no-one saw coming: the idea that we could take a book, a painting or a song and send it through cables and wires and even thin air to the other end of the world - and it would be... continue reading

posted by Trancecoach 9 years 10 months 4 weeks ago • 653 views • 5:43

@lann @eric3576 Getting my room mates cherries cut out in 12 hours. I am scared for him but happy for me ! ! TERRITORIAL ASSHOLE. Last two weeks this guy has kind of got an attitude... continue reading

posted by BoneRemake 1 decade 1 month 2 weeks ago • 70 views • 3:53

Building the Machine introduces the public to the Common Core States Standards Initiative (CCSSI) and its effects on our children’s education. The documentary compiles interviews from leading educational... continue reading

posted by Joe Motion (lurgee) 1 decade 2 months ago • 184 views • 39:09

Can you figure out the rule? Did you see the exponents pattern? http://youtu.be/AVB8vRC6HIY Why do you make people look stupid? http://bit.ly/12Fmlpl How do you investigate hypotheses? Do you seek... continue reading

posted by eric3579 1 decade 3 months 1 week ago • 1,455 views • 4:44

What are YOU gonna do today? [I'll be spending mine trying to figure out channel designations for this video]

posted by PlayhousePals 1 decade 11 months 2 weeks ago • 190 views • 2:45

a short (5 minute) presentation talking about why this toy is a "wonderful piece of physics". Something that Einstein himself could not figure out.

posted by reiwan 1 decade 4 years 8 months 2 weeks ago • 4,286 views