› added 11 years ago

200

TIL that depressed people cannot perceive color as well - the world literally turns grayer

Read more psychcentral.com

via reddit.com

lo0vK TIL that a "perfect number" is one that that is the sum of its factors excluding itself, e.g. 1+2+3=6.
Wk8v9 TIL Tommy Chong’s daughter Rae Dawn Chong discovered actor Chris Pratt working as a waiter at a Bubba Gump restaurant and cast him in a film.
d81br TIL dolphins have names for each other
nerdG TIL that the pressurized bodies of early airships were called “envelopes,” a term that persisted in aviation to later describe the ideal flight performance of an airplane. When early NASA test pilots reached higher altitude, they called it “pushing the envelope” which is where we get the phrase.
wB4Y TIL That Grover Cleveland had cancer and had surgery in secret on his yacht. This was to avoid the stigma about cancer at the time.