Two bears ended up in a deadly fight in Spain's Cantabrian mountains, which are home to around 350 bears. Video footage shows a female bear protecting her cub from a larger male before both fighting... continue reading

posted by newtboy 1 year 2 months 3 weeks ago • 251 views • 1:46

In which Cliff Stoll enthusiastically explains the geometry of his 5 sided square. (H/T @eric3579)

posted by Aard Vark (oritteropo) 6 years 6 months 4 weeks ago • 692 views • 9:15

YouTube description: Cliff explains his passion for two Friden EC-132s. Extra discussion and explanation at: https://youtu.be/HwZO4EXMMm0 More Cliff videos: http://bit.ly/Cliff_Videos Calculator... continue reading

posted by Aard Vark (oritteropo) 7 years 3 months 1 week ago • 1,025 views • 9:20

When Cliff Stoll sets your homework, there's always an extra lesson.

posted by Mordhaus 7 years 5 months ago • 1,275 views • 5:35

"Since the 1960s, developmental psychologists point to the 'Visual Cliff'—an experiment that plops babies on a fake precipice—as proof that infants learn to fear heights as they learn to crawl. Yet,... continue reading

posted by ant 9 years 11 months 1 week ago • 386 views • 5:31