skip to main content

Wow! I Never Knew That! (Episode 15)

10 minutes 15 seconds

Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles

Host Jeff "JJ" Johnson highlights the Boston University Bridge. He also explores why the U.S. uses 120 volts instead of 240, whether swimmers really need to wait an hour before swimming after a meal, how birds sleep standing up, how the gun worm became a corkscrew, how D-Day and Bluetooth got their names, how dry cleaning works, and the invention of bifocals. Part of the "Wow! I Never Knew That!" series.

Media Details

Runtime: 10 minutes 15 seconds

Request a DVD
Members Only - Apply Now
Recently Added
Wow! I Never Knew That!
Episode 1
11 minutes
Grade Level: 7 - 12
Recently Added
Wow! I Never Knew That!
Episode 2
11 minutes
Grade Level: 7 - 12
Recently Added
Wow! I Never Knew That!
Episode 4
11 minutes
Grade Level: 7 - 12
Recently Added
Wow! I Never Knew That!
Episode 6
11 minutes
Grade Level: 7 - 12
Recently Added
Wow! I Never Knew That!
Episode 7
11 minutes
Grade Level: 7 - 12
Recently Added
Wow! I Never Knew That!
Episode 8
11 minutes
Grade Level: 7 - 12
Recently Added
Wow! I Never Knew That!
Episode 10
10 minutes
Grade Level: 7 - 12
Recently Added
Wow! I Never Knew That!
Episode 15
11 minutes
Grade Level: 7 - 12
Recently Added
Wow! I Never Knew That!
Episode 17
11 minutes
Grade Level: 7 - 12
Recently Added
Wow! I Never Knew That!
Episode 18
11 minutes
Grade Level: 7 - 12