The stereotypical modern playground — with its bright colors and rubberized flooring — is designed to be clean, safe, and lawsuit-proof. But that isn't necessarily the best design for kids. US playground... continue reading
posted by BSR 4 years 3 weeks ago • 112 views • 5:44Videos (460) | Sift Talk (3) | Blogs (0) | Comments (1000) |
"... Sounds that animals make can be really different, and it turns out that there's a reason why some species communicate with certain sounds..."
posted by ant 4 years 3 weeks ago • 14 views • 4:04Can salt improve a good coffee? What about a bad coffee? Let's find out!
posted by Zawash 4 years 1 month ago • 18 views • 9:39NASA's current fleet of spacesuits was built in 1974, and each was reported to cost between $15 million and $22 million. Today, that would be about $150 million. Having not built any new mission-ready... continue reading
posted by bobknight33 4 years 1 month ago • 100 views • 10:41On a hike looking for rare limestone endemic plants in Death Valley, we spotted the wreckage of a plane! After several hours of hiking and many interesting plants, we managed to scramble over to the wreck.... continue reading
posted by eric3579 4 years 1 month 1 week ago • 1,776 views • 5:01"Teaching remotely in an empty classroom didn't keep me from doing an April Fool's prank video on my math class online during a video conference. In this one, the video version tried to figure out how... continue reading
posted by ant 4 years 2 months ago • 491 views • 3:36"The Aedes aegypti mosquito, which can transmit dengue fever and Zika, makes a meal of us around our homes. And her eggs are hardy. They can dry out, but remain alive for months, waiting for a little water... continue reading
posted by ant 4 years 2 months ago • 21 views • 3:51YouTube description: The story of Apollo 13 goes beyond a tale of survival. The mission also successfully completed a science investigation that is still helping to inform our understanding of the Moon... continue reading
posted by Aard Vark (oritteropo) 4 years 2 months ago • 69 views • 2:46From Youtube, " Review of Angle Vocabulary for Homeschooling Week because I have to teach today, but Half Life Alyx just came out. Twitter – @charlescoomber "
posted by w1ndex 4 years 2 months 2 weeks ago • 194 views • 16:54YouTube description: Ahmed Darwish el Fakhouri spends his days surrounded by olive oil soap stacked up high—each precious bar waiting to be wrapped and sold after a drying out period of two to three... continue reading
posted by Aard Vark (oritteropo) 4 years 3 months ago • 351 views • 2:24Scientists from UVM and Tufts repurposed living cells scraped from frog embryos and assembled them into entirely new life-forms. More: https://m.youtube.com/watch?v=1zVG8wptOOI https://youtu.be/XLI7VtjgOyk ... continue reading
posted by newtboy 4 years 4 months 4 weeks ago • 171 views • 57 secsFrom Youtube, "Dianna from Physics Girl visited CERN in Geneva Switzerland to find out what the detectors at the LHC are looking for, and dive into the fundamental question: what are particles? Creator/Host:... continue reading
posted by w1ndex 4 years 5 months ago • 294 views • 14:44The Ondophone - the dream of a sound that never was... At least for now, there might be a future where the Ondophone will come to real life. In this weeks episode we are taking a closer look at the first... continue reading
posted by newtboy 4 years 5 months 2 weeks ago • 41 views • 17:11"Grover is getting cold out in the snow and seeks Kermits help on how he can get warm..."
posted by ant 4 years 5 months 3 weeks ago • 17 views • 4:50Wave power hasn’t yet made a splash because it’s hard to use waves to spin turbines, and because the sea is a harsh place to build things. To learn more, start your googling with these keywords: ... continue reading
posted by newtboy 4 years 5 months 3 weeks ago • 877 views • 3:16"There's a scientific reason behind your 'second stomach.' ... How is it that, after stuffing ourselves full at dinner, we somehow find room to eat again once dessert comes around? Turns out, the thing... continue reading
posted by ant 4 years 6 months 2 weeks ago • 234 views • 4:15YouTube description: It sounds ridiculous, but it's true. At the Cooper Union Foundation Building in New York, there's the world's first elevator shaft: constructed four years before the safety elevator... continue reading
posted by Aard Vark (oritteropo) 4 years 6 months 2 weeks ago • 731 views • 5:10Why do all the pictures you take underwater look blandly blue-green? The answer has to do with how light travels through water. Derya Akkaynak, an oceangoing engineer, has figured out a way to recover... continue reading
posted by newtboy 4 years 6 months 4 weeks ago • 1,586 views • 3:56YouTube description: There’s no telling what you can do when you put your mind to it. Take Richard Hull, he built a small-scale fusion reactor—in a shed, in his backyard. A retired electronics engineer,... continue reading
posted by Aard Vark (oritteropo) 4 years 7 months ago • 1,462 views • 3:32