Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Liquid TIDE laundry detergent glows under a blacklight.
96
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Sound travels about 4 times faster in water than in air.
408
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Out of all the senses, smell is most closely linked to memory.
146