The incredible scale of oceans and lakes!

Credit: XKCD/Randall Munroe

This is a brilliant educational webcomic that gives a sense of the scale differences between the freshwater bodies and salt water bodies on our planet! Click here http://xkcd.com/1040/large/ to view the large version that allows you to read all the little comments! 


P.S: Blue whales dive deeper than nuclear subs!