Instructional Video3:43
SciShow

Filippo Brunelleschi: Great Minds

12th - Higher Ed
Hank talks about Renaissance architect, engineer, and professional cranky guy Filippo Brunelleschi in this "Great Minds" dose.
Instructional Video5:02
Physics Girl

Tricky Spool Riddle SOLUTION - ft Anne Wojcicki

9th - 12th
How did you answer the spool riddle?
Instructional Video3:01
Curated Video

Can You Be 1/3 Of A Race?

6th - 11th
If each person is the offspring of exactly 2 parents, is it possible to be 1/3 of a race? Blog post (text description): http://wp.me/p6aMk-4rx Sources I read about Gilgamesh on Reddit...