1.??? Banging your head against a wall burns 150 calories an hour.2.??? When hippos are upset, their sweat turns red.3.??? ?Facebook Addiction Disorder? is a mental disorder identified ? ? ? ? ?by Psychologists.4.??? Heart attacks are more likely to happen on a Monday.5.??? If you lift a?kangaroo?s?tail off the ground it can?t hop.6. ? ?Google's founders were willing to sell to Excite for under $1 ? ? ? ? ? ? million in 1999?but Excite turned them down.7. ? ?In a 2008 survey, 58% of British teens thought ?????????Sherlock ? ? ? ? ?Holmes was a real guy, while 20% thought Winston Churchill ? ? ? ?was not.8.???Tsutomu Yamaguchi was in Hiroshima for work when the first ? ? ? ?A-bomb hit, made it home to Nagasaki for the second, and ? ? ? ? ? ? ?to be 93.9. ? ?Prairie dogs say hello with kisses.10. ? Only one McDonald?s in the world has turquoise arches. ? ? ? ? ? ? ? ? ?Sedona, AZ thought yellow clashed with the natural red ? ? ? ? ? ? ? ? ? rock.11. ?According to the National Insurance Crime Bureau, the most ? ? ? ? ? commonly stolen vehicle in 2012 was the 1994 Honda ? ? ? ? ? ? ? ? ? ? Accord.? ? ?12. Google's founders were willing to sell to Excite for under $1 ? ? ? ? ? ?million in 1999?but Excite turned them down.??