Aluminum used to be more valuable than gold!
84
The smell of freshly cut grass is actually a plant distress call.
31
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Most dust particles in your house are made from dead skin!
67
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Your brain is 80% water.
525
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Sound travels fifteen times faster through steel than through air.
134