"Pacific mole crabs, also known as sand crabs, make their living just under the surface of the sand, where they're safe from breaking waves and hungry birds. Some very special physics help them dig with... continue reading
posted by ant 5 years 8 months ago • 90 views • 3:52Videos (51) | Sift Talk (0) | Blogs (0) | Comments (1000) |
"... When nutrients from the ocean depths reach the sunlit surface (like in the Galapagos), life is more productive..."
posted by ant 5 years 10 months 1 week ago • 54 views • 2:56Earth’s outer shell is made of two materials whose different densities and thicknesses give rise to two distinct “levels” on the planet’s surface.
posted by Mekanikal 5 years 11 months ago • 777 views • 3:10YouTube description: For thousands of years, the people of Hungary have soaked in the rich, thermal waters that lie below the country’s surface. From Roman emperors to Turkish kings, Budapest’s... continue reading
posted by Aard Vark (oritteropo) 5 years 11 months 3 weeks ago • 422 views • 2:45YouTube description: Let's find out how they put 3D images into glass objects. Known as a 'Bubblegram', vitrography or sub-surface laser engraving, this technology has been around for a very long time... continue reading
posted by Aard Vark (oritteropo) 6 years 1 month 3 weeks ago • 308 views • 6:28A few Scottish friends go snowboarding for the first time and have a bit of trouble with the surface lifts. Eventually invents a new way to go up the ski slope. Source: Scottish Craic facebook page.
posted by b4rringt0n 6 years 4 months 2 weeks ago • 359 views • 2:32https://youtu.be/mbKAwk-OG_w Who knew there was so much science in a bowl of cereal? Ever notice how cereal clumps up in your bowl, or how cereal sticks to the edges of the bowl? Bubbles in beverages... continue reading
posted by Aard Vark (oritteropo) 6 years 7 months 2 weeks ago • 1,107 views • 5:36The upsides and downsides. YouTube: Size is the most under appreciated regulators of living things. Let us demonstrate that by throwing animals from buildings.
posted by PlayhousePals 6 years 10 months ago • 575 views • 6:40YouTube description: They may look serene as they glide across the surface of a stream, but don't be fooled by water striders. They're actually searching for prey for whom a babbling brook quickly becomes... continue reading
posted by Aard Vark (oritteropo) 6 years 10 months 2 weeks ago • 358 views • 3:34Most of us think about erosion on the surface of the earth, but erosion can occur in the subsurface as well. In fact, scientist and engineers have a very creative name for just such a process: internal... continue reading
posted by Mekanikal 6 years 11 months 2 weeks ago • 105 views • 6:41YouTube description: Earth is not flat. So, representing it on a flat surface can be challenging and always requires compromises. Hosted by: Hank Green (obligatory xkcd ref - https://xkcd.com/977/... continue reading
posted by Aard Vark (oritteropo) 7 years 3 months 1 week ago • 424 views • 4:34YouTube Description: View full lesson here: http://ed.ted.com/lessons/the-mathematics-of-sidewalk-illusions-fumiko-futamura Have you ever come across an oddly stretched image on the sidewalk, only... continue reading
posted by Aard Vark (oritteropo) 7 years 4 months 2 weeks ago • 21 views • 4:55YouTube description: I thought about saying "secret patterns" or "mysterious patterns" in the title, but that'd be a lie: they're just mostly unknown! So let's talk about tactile paving, about design,... continue reading
posted by Aard Vark (oritteropo) 7 years 5 months ago • 1,726 views • 3:13YouTube description: Foraminifera – tiny, single-celled marine life forms – build gorgeous houses that record how much ice there is on the planet. Special thanks to Professor Lee Kump of Penn... continue reading
posted by Aard Vark (oritteropo) 7 years 6 months ago • 489 views • 2:51Warning: May cause a germophobic episode! YouTube: We covered the Five Second Rule a couple years ago. And, just a few weeks ago, colleagues at the New York Times (and many other news sources) wrote... continue reading
posted by PlayhousePals 7 years 7 months ago • 96 views • 5:43Via 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 7 months 2 weeks ago • 595 views • 1:11Last month I brought attention to a particularly nasty product currently promoted online to vulnerable people as a cancer cure. Black salve is a paste made from a mixture of Bloodroot extract and zinc... continue reading
posted by Mordhaus 7 years 8 months 2 weeks ago • 330 views • 8:10YouTube: We all know ducks quack, dogs bark, and birds chirp, but that barely scratches the surface of all the amazing ways animals have devised to talk to each other!
posted by PlayhousePals 7 years 10 months 3 weeks ago • 126 views • 9:18Join Phil for a tour of our capital-M Moon, from surface features, inside to the core, and back in time to theories about its formation.
posted by Joe Motion (lurgee) 7 years 11 months 3 weeks ago • 218 views • 9:51