Bozeman Science: Mr. Anderson's biology review videos. He explains things thoroughly, clearly and calmly.

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

Crash Course: a great Youtube channel for multiple subjects. Fast-paced, funny, and HIGHLY informative

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

The biology videos are especially helpful for my ...biology classes:

https://www.youtube.com/playlist?list=PL3EED4C1D684D3ADF

This is an excellent website for interactive websites for MANY subjects, from the sciences to history and world languages.

http://www.learner.org/interactives/periodic/index.html

There was a super moon AND a lunar eclipse this weekend!

http://www.bbc.com/news/science-environment-34375868