Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Iron weighs more after it rusts.
68
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20