TOP 100 CAMPING SITES
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| Why don't trees lean toward the equator? Indoor plants tend to grow toward the light, so why do trees outdoors grow straight instead of leaning toward the equator? --W. Anderson, Sacramento, Calif. [More] rss.sciam.com |
Carbon counter unveiled in New York City Can you say guilt trip? New Yorkers will now be reminded of humanity’s growing carbon footprint as they hustle past Madison Square Garden and Penn Station. [More] rss.sciam.com |
Nitrogen Dioxide Pollution Standards Debated U.S. EPA's planned toughening of health standards for nitrogen dioxide (NO2) emissions is not tough enough for some advocacy groups.The EPA proposal would set a new one-hour maximum NO2 limit to prevent spikes in air pollution. The proposal also involves setting up new monitors in locations with the highest concentrations, like major roads in urban areas. The agency is proposing to retain the current annual average standard of 53 parts per billion (ppb). [More] rss.sciam.com |
MIND Reviews: The Soloist The Soloist Paramount Pictures. DVD available Fall 2009 [More] rss.sciam.com |
At Año Nuevo Point The value of coastal protection can be seen north of Santa Cruz, Calif., where sea otters and the northern elephant seals have been saved from extinction. nytimes.com |