Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In 1989, a British company made a laptop with a graphical user interface, a 60 hour battery life, SSD storage, and a touchpad.
12
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
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
Mico headphones read your brainwaves and select music based on your state of mind.
7
Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
14
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17