An American explorer has descended nearly 11km (seven miles) to the deepest place in the ocean - the Mariana Trench in the Pacific. Victor Vescovo spent four hours exploring the bottom of the trench... continue reading

posted by newtboy 3 years 1 month 1 week ago • 1,316 views • 2:14

"NASA's Curiosity Mars Rover has already descended from Vera Rubin Ridge, a region of Mount Sharp that it has been exploring for more than a year. But before it left, the rover took a 360-degree panorama... continue reading

posted by ant 3 years 4 months 1 week ago • 10 views • 1:31

YouTube description: The tourist guides promote it as Georgia's Little Grand Canyon: but this is a scar on the Earth, caused by humans either not understanding or not caring about geology. Is it natural?... continue reading

posted by Aard Vark (oritteropo) 3 years 6 months ago • 1,484 views • 2:53

In this video, Tim demonstrates a variety of Lenz's Law demonstrations. At its simplest, you can just drop a magnet down a metal tube, maybe made of copper or aluminium, and be surprised at how slowly... continue reading

posted by Mordhaus 3 years 10 months 1 week ago • 968 views • 6:01

YouTube description: When the small Japanese seaside town of Susami needed a tourism boost, an unlikely resident came to the rescue: the town’s postmaster. Together with the local diving community,... continue reading

posted by Aard Vark (oritteropo) 4 years 5 months ago • 449 views • 2:55

This shows the 56 different ethnic backgrounds living in China today, in descending order of population. China is a much more diverse place than one would expect.

posted by artician 9 years 3 weeks ago • 234 views • 5:03