Brass doorknobs automatically disinfect themselves in about 8 hours.
18
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10