Adding to the growing list of high-quality, free online education resources. The first few playlists are up: Awesome Nature, How Things Work, Playing with Language, Questions No One Yet Knows the Answer To, and Inventions That Shaped History. Check it out.
Imagine you're a high school biology teacher searching for the most vivid way to explain electrical activity in the brain. How about inserting metal wires into a cockroach's severed leg and making that leg dance to music? Starting Monday, that eye-popping lesson, performed in a six-minute video by neuroscientist and engineer Greg Gage, is available free online.
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