FACTS that you don't know

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I am starting this new thread to post interesting Facts which you may or may not be heard or read of. You can also post the Facts which you know. You can also comment your views on the Facts posted.It is guaranteed that this thread would be more Entertaining and more useful one... 
Let's start... The first Fact....

An idiot is technically someone with an IQ of 0-25, while an imbecile is someone with an IQ of 26-50.  

Psychologists at the University of California found out that sending and receiving text messages boost mood when you are feeling lonely.

[nesan]

for every three days human's
stomach get a new lining for protection.

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* Video games help train the brain to make faster real life decisions !

* If during a flight both the pilot and copilot die, the plane could still land   on its destination safely if its put on autopilot and autoland.