Standard paper cannot be folded in half more than 7 times.
232
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
Music is as addictive to the brain as sex and drugs.
27
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
Those who get out of bed by 7am are more likely to be thinner and happier.
19
You can alleviate a tickly throat by scratching your ear.
9