Orson Welles' last role was the voice of "Unicron" in the 1986 Transformers movie.
Thirty years ago this month, the groundbreaking educational science series debuted on PBS.
Here’s how to steer a predictable discussion about teamwork and manners to one on sex and panda discrimination.
"Mark my words: a combination airplane and motorcar is coming. You may smile, but it will come."
They won't even see it coming.
The mysterious Confederate deserter who became John Wilkes Booth's right-hand man.
©2016 Mental Floss, Inc. All rights reserved. Mental Floss® is a registered trademark owned by Felix Dennis. mentalfloss.com is a trademark owned by Felix Dennis.