Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
Kid Rock took a pay cut that cost him around $50,000 to $100,000 per night during his tour, just to keep ticket prices at $20 and a 12 oz beer at $4.
8
In 1989, a British company made a laptop with a graphical user interface, a 60 hour battery life, SSD storage, and a touchpad.
12
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
25
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7