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
An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
16
The cruise liner, 'Queen Elizabeth 2', moves only six inches for each gallon of diesel that it burns.
26
You burn 26 calories in a one minute kiss.
605
Sudbury Valley School allows students to do whatever they want; no curriculum, tests, homework, or even classes unless requested. 82% of students get accepted to college, as opposed to the 63% national public school average.
21
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
A sneeze travels out your mouth at over 100 m.p.h.!
29