Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Each day, up to 150 species of life become extinct.
-23
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Out of all the senses, smell is most closely linked to memory.
146
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The storage capacity of human brain exceeds 4 Terrabytes.
140