You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Shakira has been making music for more than 23 years, can play the guitar, drums, percussion, and harmonica, speaks 7 different languages, is the founder of a charity called Pies Descalzos, and is a goodwill ambassador for UNICEF.
30
If you chew gum when you study a subject and then chew the same flavor when you take the test, it will help you remember!
34
In 2013, the Netherlands scheduled 19 prisons to be closed due to a lack of criminals.
39
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12