Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Jon Bon Jovi has a restaurant that has no prices; guests pay whatever they can or volunteer in exchange for their meal.
103
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Mackinac Island, Michigan, has banned cars since 1898!
4
In Iceland, 100% of domestically produced electricity comes from renewable energy.
8
Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
14