The third of the fleet of four to head off to a retirement home, the shuttle will end its journey in Los Angeles. Along the way it will stop in Houston. There will also be flybys, weather permitting, over San Francisco and Sacramento.
Twin spacecraft recently began orbiting the earth, and the probes have been sending back strangely beautiful recordings of the sounds of space. Scientists call it the chorus. The sounds come from the magnetosphere, an area where charged particles from the sun interact with the earth's magnetic field.
The new crisis in Mexico isn't the drug war or a plunge in the peso. It's eggs. An avian flu epidemic has led to fewer, more expensive eggs — serious business in a country that eats more eggs, per capita, than any other nation in the world.
Piggybacking on a modified jumbo jet, the retired space shuttle will make its way from Florida to a permanent display site at the California Science Center. After this week's final flight, the 170,000-pound shuttle still has to navigate the streets of Los Angeles, which is no easy task.
The cost of deciphering a person's genetic code has dropped faster than the price of flat-screen TVs. But some experts are concerned that access to genomic information could stoke fears and invade privacy.
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