Intelligent people have more zinc and copper in their hair. The world's youngest parents were 8 and 9 and lived in China in 1910. Our eyes remain the same size from birth onward, but our noses and ears never stop growing. You burn more calories sleeping than you do watching TV. A person will die from total lack of sleep sooner than from starvation. Death will occur about 10 days without sleep, while starvation takes a few weeks. The Mona Lisa has no eyebrows. When the moon is directly overhead, you weigh slightly less. Alexander Graham Bell, the inventor of the telephone, never telephoned his wife or mother because they were both deaf. A psychology student in New York rented out her spare room to a carpenter in order to nag him constantly and study his reactions. After weeks of needling, he snapped and beat her repeatedly with an axe leaving her mentally retarded "I am." is the shortest complete sentence in the English language. Colgate faced a big obstacle marketing toothpaste in Spanish speaking countries because Colgate translates into the command "go hang yourself." The smallest unit of time is the yoctosecond. Like fingerprints, everyone's tongue print is different. "Bookkeeper" is the only word in English language with three consecutive double letters. Right handed people live, on average, nine years longer than left handed people do. The sentence "the quick brown fox jumps over the lazy dog" uses every letter in the english language. (Sentences containing every letter of the alphabet are called "pangrams", or "holalphabetic sentences".) If the population of China walked past you in single line, the line would never end because of the rate of reproduction China has more English speakers than the United States . Every human spent about half an hour as a single cell. Each square inch of human skin consists of twenty feet of blood vessels. An average person uses the bathroom 6 times per day. Babies are born with 300 bones, but by adulthood we have only 206 in our bodies. Beards are the fastest growing hairs on the human body. If the average man never trimmed his beard, it would grow to nearly 30 feet long in his lifetime. According to Genesis 1:20-22, the chicken came before the egg. The longest place name still in use is: Taumatawhakatangihangaoauauotameteaturi- pukakpikimaungahoronukupokaiwhenuakitanatahu - a New Zealand hill. If you leave Tokyo by plane at 7:00am, you will arrive in Honolulu at approximately 4:30pm the previous day. Scientists in Australia 's Parkes Observatory thought they had positive proof of alien life, when they began picking up radio-waves from space. However, after investigation, the radio emissions were traced to a microwave in the building. Strange-but-true The average four year-old child asks over four hundred questions a day. The average person presses the snooze button on their alarm clock three times each morning. The three wealthiest families in the world have more assets than the combined wealth of the fourty-eight poorest nations. The first owner of the Marlboro cigarette Company died of lung cancer.