Friday, April 9, 2010
A polar bear named Debby, who recently passed away in a zoo in Canada, is thought to be the longest living of her species. Debbie was 42 when she died in November 2008 at the Winnipeg, Manitoba zoo. Wild polar bears usually only live half that long.
Alfred Nobel was the Swedish technologist credited with inventing dynamite in 1866-67. He became very rich as a result and bequeathed his wealth to a foundation that would offer prizes for contributions to science, literature and the promotion of peace.
There's a lot of power in a bolt of lightning. One stroke discharges from 10 - 100,000,000 volts of electricity. An average lightning strike has 30,000 amperes.
The South African Sandbox tree could be dangerous. When its fruit is ripe, it explodes so forcefully that its seeds are sent flying 15' from the main trunk, and the noise is so loud, it can scare passers-by.
Posted by Pippa