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
Passengers on the Beijing subway can pay with plastic bottles.
29
If the human eye was a digital camera, it would have 576 megapixels.
25
22% leave the glob of toothpaste in the sink.
118
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
There are no rental cars in Bermuda.
46