(+)  If you yelled for over 8 and a half years,  you would have produced enough sound  energy to heat one cup of coffee.  
 

          (+)  A hedgehog's heart beats 300 times a minute on average. 

  
          (+)  Bats always turn left when exiting a cave.   
  

          (+) A shrimp's heart is located in it's head. 
  

          (+) There is a city called Rome on every Continent. 
                      
  
          (+)  On male shirts the buttons are on the right side, on  female shirts the left side.
  

          (+) You use up 1/10th of a calorie when you lick a stamp.