Wearing yellow makes you look bigger on camera; green, smaller.
222
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
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
SONY was originally called 'Totsuken'.
70
A fire in Australia has been burning for more than 5,000 years!
91
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
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