Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
If the chemical sodium is dropped into water it will immediately and violently explode.
67
One ragweed plant can release as many as one billion grains of pollen!
51
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The left ear is more responsive to words of love and emotion whispered into it than the right.
40