May 20th, 2012 at 8:09PM

Hahaha.

(via fromrussiawithmike-deactivated2)

4,442 notes Source: bellinitini #biology#the avengers#humour
May 10th, 2012 at 1:19PM

(via sciencejokes)

1,079 notes Source: einsteiner #humour#the avengers#science