YouTube resources

There are many videos I have used in my homeschool assistance setting from YouTube.  Here are a few of my favorites:
https://www.youtube.com/user/GeographyNow

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

https://www.youtube.com/watch?v=fd6YmVnwNJ0&list=WL&index=68&t=0s - Norman Borlaug Documentary

https://www.youtube.com/watch?v=dREpRHgkjsg&list=WL&index=72&t=0s - Fibonacci Sequence video