Humans emit roughly 30 to 40 billion tons of the greenhouse gas, carbon dioxide, into the atmosphere each year. If we keep it up, Earth will continue to heat up and ultimately devastate our way of life. ... continue reading
posted by newtboy 6 years 11 months 1 week ago • 107 views • 2:18Videos (52) | Sift Talk (0) | Blogs (0) | Comments (1000) |
Australia's Great Barrier Reef is the largest coral reef system in the world and the only living structure visible from space. Although ecosystem managers in Australia have worked hard to preserve the... continue reading
posted by Mordhaus 6 years 11 months 2 weeks ago • 541 views • 8:11YouTube description: We're pretty good at inventing things, but stealing from nature is a great way to solve some problems! Hosted by: Michael Aranda (H/T @eric3579)... continue reading
posted by Aard Vark (oritteropo) 7 years 3 weeks ago • 368 views • 8:47Extreme Ownership | Jocko Willink | TEDxUniversityofNevada From YouTube: War is hell, but war is also a brutal teacher. War teaches you about brotherhood, honor, humility, and leadership. In this riveting... continue reading
posted by chicchorea 7 years 2 months 3 weeks ago • 115 views • 13:50YouTube: There's a lot about sleep that we don't understand, like why we even sleep in the first place, for example. Here are some amazing discoveries biologists have made while trying to solve the mystery... continue reading
posted by PlayhousePals 7 years 2 months 4 weeks ago • 151 views • 10:35As a wildfire rages through the grasslands, three lions and three wildebeest flee for their lives. To escape the inferno, they must cross over to the left bank of a crocodile-infested river. Can you help... continue reading
posted by Mordhaus 7 years 6 months ago • 112 views • 4:19Via 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 1 week ago • 595 views • 1:11YouTube: In the 1800s, Wilhelm Kühne created an image of a window from the eyes of a rabbit. Was this technology applicable to humans?
posted by PlayhousePals 7 years 6 months 1 week ago • 91 views • 4:27Your favorite band is great at playing music...but not so great at being organized. They keep misplacing their instruments on tour, and it’s driving their manager mad. Can you solve the brain-numbing... continue reading
posted by Mordhaus 7 years 7 months ago • 224 views • 4:53Also, it's a jumping spider capable of leaping up to 50 times it's own length. Fortunately for us, Portia is a spider eating spider.
posted by Mordhaus 7 years 8 months ago • 1,674 views • 4:00Are you? From YouTube: https://www.youtube.com/watch?v=PqN_2jDVbOU "Geordie Rose, Founder of D-Wave (recent clients are Google and NASA) believes that the power of quantum computing is that we can... continue reading
posted by chicchorea 7 years 8 months ago • 850 views • 19:38I 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 • 4:32As your country's top spy, you must infiltrate the headquarters of the evil syndicate, find the secret control panel, and deactivate their death ray. But your reconnaissance team is spotty, and you have... continue reading
posted by Mordhaus 7 years 10 months 3 weeks ago • 279 views • 4:01Know a simple way to solve Sudoku puzzles? If there is, let someone know! YT: Hackerdashery #2 Inspired by the Complexity Zoo wiki: https://complexityzoo.uwaterloo.ca/Co... For more advanced... continue reading
posted by Lumm 7 years 11 months 3 weeks ago • 912 views • 10:44YouTube 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 • 4:39Your rich, eccentric uncle just passed away, and you and your 99 nasty relatives have been invited to the reading of his will. He wanted to leave all of his money to you, but he knew that if he did, your... continue reading
posted by Mordhaus 7 years 12 months ago • 286 views • 3:50Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn’t so smart either. But now is not the... continue reading
posted by Mordhaus 8 years 2 weeks ago • 2,094 views • 3:50Leave your answers in the comments for the last two.
posted by eric3579 8 years 6 months 1 week ago • 1,441 views • 4:52An 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 7 months 4 weeks ago • 52 views • 5:08