Think you have some friends that post stupid things on Facebook?  Well, read these and be thankful for your friends.  The fine folks at Buzzfeed have found 28 of the stupidest posts for your enjoyment.

The posts include people thinking pigeons are penguins, thinking wireless signal is made of physical particles, and thinking Mt. Rushmore was made by nature.

Ahhh the genius' we have on Facebook!  If you have a minute, take a look at these, they are hilarious!