Hank gives us a summary of a strange new calculation, which estimates the total body mass of all the humans on earth.

References:
http://www.biomedcentral.com/bmcpublichealth/
http://www.eurekalert.org/emb_releases/2012-06/bc-two061512.php
https://apps.who.int/infobase/Publicfiles/SuRF2.pdf