For science geeks: Making a silvered flask using silver nitrate. YouTube Description: Demonstrating the Tollens' test for aldehydes and reducing sugars... continue reading
posted by mintbbb 1 decade 1 year 2 months 1 week ago • 1,585 views • 5:20Videos (107) | Sift Talk (0) | Blogs (0) | Comments (1000) |
"If you answered yes to 7 or more questions, you are a human." [the jury is still out]
posted by PlayhousePals 1 decade 1 year 2 months 1 week ago • 718 views • 2:52YouTube: i like you. you are as normal as you need to be. if you got less than 5 the results are indeterminate. more tests are needed.
posted by PlayhousePals 1 decade 1 year 2 months 4 weeks ago • 232 views • 2:46Never before caught on camera footage of 10 day old cubs in the wild. Their Mom has her paws tied ... poor dear
posted by PlayhousePals 1 decade 1 year 3 months ago • 1,486 views • 3:54This segment depressed me -- our innate tribalism seems to be hardcoded.
posted by Gale Wallis (bareboards2) 1 decade 1 year 5 months 2 weeks ago • 1,379 views • 13:33Originally called hydrogen inflammable air when he discovered it until he breathed it in and blew it out over a candle... tested electricity by measuring how much agony it caused him... and did experiments... continue reading
posted by RFlagg 1 decade 2 years 10 months 2 weeks ago • 920 views • 6:27From YT: We're uploading a series of "eggsperiments" to mark Easter, starting with these crash tests from the Biomechancal lab.
posted by Skeeve 1 decade 3 years 1 month ago • 1,574 views • 1:56