This Cool Video, from the PBS It's Okay to be Smart Series, makes a provocative observation. The air is finite and remarkably limited, so that the air we breathe has already been breathed by others. Using basic mathematics, it arrives at the a startling conclusion: It is highly probable that we have breathed some of the same air particles as Genghis Khan, Charles Darwin and Albert Einstein.
Cool Video: A Cause for Pause: The Air You Breathe
![Cool Video: A Cause for Pause: The Air You Breathe]()
Reviewed by Marc Chandler
on
March 29, 2014
Rating:
