Research indicates that plants grow healthier when they are stroked.
173
Sound at the right vibration can bore holes through a solid object.
134
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
One cubic foot of gold weighs more than 1,200 pounds!
78
Most dust particles in your house are made from dead skin!
67
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Iron weighs more after it rusts.
16