Tsunamis: Facts About Killer Waves. The earthquake that generated the great Indian Ocean tsunami of 2004 is estimated to have released the energy of 23,000 Hiroshima-type atomic bombs, according to the U.S. Geological Survey (USGS).
The 1988 Happy Holiday Barbie is considered to be the first Collectible Barbie, although it wasn't originally planned that way. The dolls rapidly sold out and almost immediately began to command big prices on the secondary market.
Several years and many designs later, Mattel introduced Barbie, the Teen-Age Fashion Model, to skeptical toy buyers at the annual Toy Fair in New York on March 9, 1959. Never before had they seen a doll so completely unlike the baby and toddler dolls popular at the time.