The American image of cowboys is a fabrication based on a century-old circus act.
posted by Mordhaus 7 years 5 months 1 week ago • 999 views • 2:19Videos (78) | Sift Talk (0) | Blogs (0) | Comments (1000) |
Via YouTube: A new study led by the U.K.’s Queen Mary University has found that even relatively simple animals like bumblebees can teach other how to perform somewhat complex tasks such as pulling a... continue reading
posted by Gratefulmom 7 years 6 months 2 weeks ago • 595 views • 1:11"Justin Schmidt is an entomologist who studies stinging insects. Through the course of his work, he estimates that he has been stung more than 1,000 times, all in the name of science. In fact, Schmidt... continue reading
posted by blacklotus90 7 years 8 months 2 weeks ago • 392 views • 2:31YouTube description: Fra Angelico blue pigment extraction. True Lapis Lazuli pigment. Method based on recipe from book "Il Libro dell' Arte" by Cennino d'Andrea Cennini. ©2014 Attila Gazo (masterpigments.com) ... continue reading
posted by Aard Vark (oritteropo) 7 years 9 months ago • 273 views • 6:13I invented the Bow Blower, a combination of the bow drill and forge blower to make a device that can force air into a fire while being easy to construct from commonly occurring natural materials using... continue reading
posted by Mordhaus 7 years 9 months 1 week ago • 1,388 views • 4:32The nerdwriter takes a look at government, how it spends money, why it's inefficient and what can be done to improve it.
posted by ChaosEngine 7 years 11 months 3 weeks ago • 644 views • 5:39YouTube description: View full lesson: http://ed.ted.com/lessons/the-psychology-behind-irrational-decisions-sara-garofalo Often people make decisions that are not “rational” from a purely economical... continue reading
posted by Aard Vark (oritteropo) 7 years 11 months 3 weeks ago • 144 views • 4:39If you're keen to live out your own "Game of Thrones" battle fantasy (ahem, good luck), see Richard Furrer. The Wisconsin-based blacksmith forges Ulfberht style swords, the name given to a group of uncommonly... continue reading
posted by blacklotus90 8 years 2 weeks ago • 269 views • 2:23Q & A about smoking weed
posted by Gratefulmom 8 years 2 weeks ago • 88 views • 6:37I made this bow and arrow using only primitive tools and materials.The bow is 1.25 m (55 inches) long and shoots 60 cm (2 feet) long arrows. I don't know the draw weight - safe to say greater than 15 kg... continue reading
posted by Mordhaus 8 years 1 month ago • 621 views • 5:54YouTube description: Why does English have so many words that have twins? Here's how we got to have two vocabularies, one based in Germanic roots, and one based in Latin. Produced for Mental Floss. ... continue reading
posted by Aard Vark (oritteropo) 8 years 1 month 3 weeks ago • 622 views • 2:20YouTube description: I made a batch of charcoal using the mound method then stored it in baskets for later use. Charcoal is a fuel that burns hotter than the wood it's made from. This is because the... continue reading
posted by Aard Vark (oritteropo) 8 years 2 months 2 weeks ago • 1,003 views • 5:31The US Preventive Services Task Force! YouTube: The US Preventive Services Task Force was created in 1984 to make evidence-based recommendations about clinical services, like screening, that comprise... continue reading
posted by PlayhousePals 8 years 3 months 3 weeks ago • 76 views • 7:25YouTube: Disenchanted with the out-of-date curriculum of traditional college, Jeremy Rossmann dropped out of MIT. Within a few years, he and co-founder Ashu Desai, started The Make School, a college replacement... continue reading
posted by PlayhousePals 8 years 5 months ago • 493 views • 4:02Commentary on copyright and music based on a simple song with an interesting history.
posted by messenger 8 years 7 months 2 weeks ago • 95 views • 12:13Music: Sam Leopard - Secret base (from Jamendo) mdeman - Cadillac Candy Writer & Producer: Kirk Zamieroski Executive Producer: Adam Dylewski Scientific consultants: Joseph A. Rivera Darcy... continue reading
posted by Warren E. Hale (MrFisk) 8 years 9 months ago • 39 views • 2:28"From the axe, which originated in 1,000,000 BC, to today's killer drones, mankind's use of weapons has been varied and incredibly inventive." -- The Atlantic
posted by Warren E. Hale (MrFisk) 8 years 11 months 3 weeks ago • 345 views • 2:18YouTube: Guns are one of those topics that really divide Americans. It’s hard to have a calm, evidence-based discussion. But one area where we really need to be able to do that is in the pediatrician’s... continue reading
posted by PlayhousePals 9 years 2 weeks ago • 97 views • 5:33A great, physics-based explanation of why blurring colors on a computer doesn't look quite right, and how image storage/display could be easily improved
posted by blacklotus90 9 years 1 month 2 weeks ago • 644 views • 4:14