Snakes do not have urine bladders, so their urine is voided as soon as it is made. | The Lemon shark grows about 24,000 new teeth a year. A new set of teeth grow approximately every 14 days. | The oil in cashews helps prevent tooth decay. | A deployed air bag adds as much as $2,000 to the cost of repairing a vehicle. That's enough for insurance companies to often declare the car "totaled". | If you doubled one penny every day for 30 days, you would have $5,368,709.