Elizabeth+-+Wonders+of+Science

WONDER QUESTION: What is gum made of?
 * Traditionally gum was made out of chicle, the milky latex substance of the sappodilla tree.
 * Gum has been around for about 2000 years but it was really sap.
 * Chewing gum improves memory.
 * Many sugar free gums can cause bad weight lose.
 * The largest bubble ever made out of gum was 23 inches.
 * 100,000 tons of gum is chewed every year.

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