By NIESHA LOFING, Sacramento Bee
Independence Day aerial displays grounded in chemistry
SACRAMENTO, Calif. - We've been enamored of fireworks for centuries.
Our forefathers used fireworks and black ash to celebrate events even before the first Independence Day on July 4, 1776, and the practice has held strong ever since.
But what exactly are we watching? How do fireworks, well, work?
Calif. boy, 13, wins awards for child-safety inventions
PLUMAS LAKE, Calif. - Louis Braille was 12 when he began inventing a system of reading and writing by raised dots.
Thomas Alva Edison was a teenager when he invented a telegraphic repeating instrument.
Tharon Trujillo of Plumas Lake was just 10 years old when he invented a safety gate that helps keep children and pets from falling through sliding screen doors.
For the Olympics, foods of Canada
The United States shares the longest non-militarized border in the world with Canada, yet many U.S. citizens haven't a clue what their northern neighbors eat.
That particular realization struck Don Burns as he contemplated hosting a Vancouver 2010 Olympics viewing party.
