Category: Tech & Science
Wearing headphones for just one hour will multiply the number of bacteria in your ear 700 times. See more
Plants that are not cared for will cry for help, a thirsty plant will make a high-pitched sound that is too high for us to hear. See more
There are 100 million internet users in China. Some of the sites they can't access are BBC news, Amnesty International and Dalailama.com. See more