Meteor to strike Earth likely disintegrates in sky
U.S. scientists said a meteor expected to strike the Earth likely disintegrated in the sky, media reported Friday. Some witnesses account a meteor that streaked across the Pacific Northwest skies hit the ground southwest of Ritzvill ... english.people.com.cn
A Turn to Alternative Chemicals
With a push from state government and industries, chemical companies are producing more environmentally benign products. nytimes.com