Toggle navigation
Discover
On Today
Awards
Companies
Lists
People
Tagging & Taxonomy
Earn Points
Support
Add A Record
Add Series
Add Movie
Add Person
Account
Dashboard
Notifications
Subscribe
Favorite Series
Favorite Movies
Logout
Login
Add Series
Add Movie
Add Person
Dashboard
Notifications
Subscribe
Favorite Series
Favorite Movies
Logout
Login
Home
/
Series
/
Mental Floss: Big Questions
/ Aired Order /
Season 2
/ Episode 6
Edit Episode
Add Artwork
Edit Translations
Delete
Delete
Why are blueprints blue?
This week, David Lev asks, "Why are blueprints blue?"
English
General
Cast & Crew
Originally Aired
October 12, 2015
Runtime
3 minutes
Production Code
tW1LkOVe6p4
Network
YouTube
Created
September 18, 2017 by
Administrator
admin
Modified
September 18, 2017 by
Administrator
admin
×
Delete Episode
Why are you deleting this episode?
*
Choose an option
Type of Duplicate
*
Series
Season
Episode
Movie
Person
Artwork
Company
List
ID of Duplicate
*
Enter the type and id of the record that this record is a duplicate of and confirm using the preview below. This is critical information for downstream systems.
Preview
