Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
One ragweed plant can release as many as one billion grains of pollen!
51
Most dust particles in your house are made from dead skin!
67
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
In zero gravity, a candle's flame is round and blue.
16
Each day, up to 150 species of life become extinct.
-23
The average temperature at 40,000 feet above sea level is -60 F.
56
