Secretary of Homeland Security Janet Napolitano announced April 20 the
implementation of the Department of Homeland Security’s National
Terrorism Advisory System — a robust terrorism advisory system that
provides timely information to the public about credible terrorist
threats and replaces the former color-coded alert system.Read More

Cassy Jones (left), 12, and Jordan Ashley (in red), 11, watch in wonder
as their Earth Day project comes to life: When a cup of ice is placed in
a water bath holding a bottle of mineral water, and hot water is added,
the gases in the bottle are forced into the balloon by the temperature
change.Read More