› added 12 years ago

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TIL that kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.

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via reddit.com

VBJJ8 TIL that the term “brain freeze,” to describe a cold-stimulus headache, is a registered trademark of 7-Eleven.
XnLk TIL - Actress Toni Collette pretended to have appendicitis at age 11. Her acting was so convincing that doctors performed an appendectomy. Her removed appendix was found to be completely normal.
Xawr TIL Mack trucks with gold-plated bulldogs indicate that the entire truck is made of Mack components, whereas trucks which use another manufacturer’s components are given a chrome-plated bulldog.
0AvN TIL NASA wants to make Interstellar travel possible within the next 100 years.
xV74k TIL the longest road in the world is the Pan-American Highway stretching 29,800 miles