Weird History's YouTube channel -- "Welcome to the chronicles of history that your social studies class never covered in high school. This is for the extreme, the unexpected, the untold and the flat-out weird parts of history. Because as weird as people seem today, we don't hold a candle to history.

http://www.youtube.com/user/adrianalansmith/

"Science and insect natural history videos!

Ant Lab is the channel of the Evolutionary Biology & Behavior Research Lab at the North Carolina Museum of Natural Sciences & North Carolina State University. It's headed by Dr. Adrian Smith. We make videos about science, insect natural history, and scientists..."

https://www.youtube.com/user/itsokaytobesmart/

Educational science videos to watch and learn.

http://www.youtube.com/channel/UC-3SbfTPJsL8fJAPKiVqBLg

They are sure addicting!

YouTube has many short educational animated videos from Minute Earth -- "Science and stories about our awesome planet! ..."

For the last few weeks, I've been getting logged out in the middle of posting comments/videos. I used to stay logged in constantly, but now I'm getting booted all the time. Is it me, or is anyone else experiencing this?

http://www.youtube.com/channel/UCOQ96GPJ8BVatjeqDpY295Q

"#5facts has one simple goal: To distill all of human knowledge into convenient joke form! Hosts Matt Silverman and Annie Colbert scour the web for bizarre and surprising facts about science, history and pop culture..." Also, there's humor.

C.G.P. Grey's YouTube video channel showing many educational and interesting episodes of "complex things explained."

I just noticed that the VideoSift Bookmarklet allows you to automagically create a posting from some of the popular video sites (YouTube, Vimeo, College Humor, Funny or Die, Daily Motion) and I wonder why is this same functionality not added to the standard submission page?

I wouldn't mind if it was an undocumented feature, have the validate button see if its a standard URL then check if its a supported site and form the embed just like the bookmarlet does.

This is VideoSift bookmarklet page http://videosift.com/bookmarklet/install