Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
One human hair can support 3 ounces.
191
If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
People who laugh more are better able to tolerate pain - both physical and emotional.
36
Babies are born without knee caps.
78
American car horns beep in the tone of F.
66
A fire in Australia has been burning for more than 5,000 years!
91
Recycling one glass jar, saves enough energy to watch T.V for 3 hours!
118