The Power Rangers command center is a real building located in a California University.
4
Some farmers in Kenya are using elephants' natural fear of bees and building "beehive fences" that keep wild elephants from trampling the crops. It keeps the farms safe, and prevents farmers from having to kill elephants to defend their livelihood!
9
Genghis Khan exempted the poor and clergy from taxes, encouraged literacy, and established free religion, leading many peoples to join his empire before they were even conquered.
28
Brass doorknobs automatically disinfect themselves in about 8 hours.
18