In this week’s “best of” our YouTube channel, we look at how WW1 got women to start wearing bras, why voices squeak during puberty, why people say “Mayday” in an emergency, what happens to food used to break world records, the comic book character who used cocaine and why women fainting so often in the 19th century led to the invention of the vibrator. Click here to subscribe to our YouTube Channel for many more videos like this.

How WWI Got Women to Start Wearing Bras


Why do Voices Squeak During Puberty?


Why People On Planes Say “Mayday” in an Emergency?

What Happens to Big Food Made to Break World Records?

The DC Comics Character Who Gained His Powers from Cocaine


Why Women Fainted So Much in the 19th Century and How This Led to the Vibrator Being Invented