Andy George of How to Make Everything built a windmill that was originally designed by Leonardo da Vinci.

Brick Experiment Channel repeatedly modified a remote-controlled LEGO car to cross increasingly narrower bridges.

A caffeinated TED-Ed lesson written by Anna Rothschild explains what happens to the human brain when the body stays up all night.

Danielle Dufault of Animalogic talked about the incredible impersonation abilities and camouflaging techniques of the mimic octopus.

Arianna Fox of 1440 explained the origins behind the very first Thanksgiving meal in 1621 and how it became a holiday in the United States.

The Bell Brothers created an amusing holiday mashup that seamlessly inserts Kevin McCallister of "Home Alone" into classic Christmas movies.

Hat-Loving Gamer created a vivid CGI animation that mashed together the plot of "Spider-Man 2" with "Thomas and Friends".

The Art of Storytelling analyzed the chords of "The Matrix", determining that the same dissonance was reflected in the plot.

Martha Stewart had a hard time keeping a straight face while guest Robin Williams was in her studio kitchen making tacos.

Third generation cheesemonger Adam Jay Moskowitz tasted 21 of the world's most expensive cheeses for Epicurious.