TOP 100 CAMPING SITES
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| On board a research ship, change is the one constant Editor's Note: Peggy Delaney is sailing on a newly refurbished research vessel, the JOIDES Resolution, that left Honolulu on March 10 with an international group of researchers on board. The ship, supported by the U.S. National Science Foundation, conducts scientific investigations beneath the seafloor by drilling the ocean floor and retrieving long “cores” of mud for testing and data collection. This is her eleventh blog post. To see all her posts, see "60 Seconds in the Mid-Pacific."SOMEWHERE IN THE MID-PACIFIC (April 21, 2009)--We typically core several holes at one site so as to construct a complete section by overlapping cores from adjacent holes to fill any coring gaps. As we got started really looking at the cores from this site, we realized that there were a fair number of turbidites (material that had been transported in from elsewhere) nearby--probably from a seamount--and been deposited rather suddenly. This type of deposition makes it really difficult to use a site for ocean history purposes. [More] Presented By:You Need the Speed of Norton 2009Introducing the revolutionary Norton Internet Security 2009. With a one-click, one-minute install, under 7MB of memory usage and fewer, shorter scans, it?s the fastest security suite anywhere. Get your FREE trial today!Click to Learn More www.norton.com/speed Ads by Pheedo rss.sciam.com |
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Salmonella wins, food safety bill loses in early House vote Last night, the House of Representatives came up six votes shy of passing a groundbreaking – but flawed – food safety bill. The House plans to give it another shot today.With animal droppings contaminating our spinach with E. coli and bird feces leaving peanut butter with a Salmonella taint, food safety advocates have long urged a reform of our nation’s patchy safety network that regulates the growing, distributing, and processing of foods. In the United States, some 76 million people get food poisoning each year, and 325,000 of those end up in the hospital. [More] rss.sciam.com |
Should cheetahs be reintroduced in India? Cheetahs (Acinonyx jubatus) may be the world's fastest land mammal, but that hasn't helped them escape their worst enemy: humans. The big cats have been hunted to extinction in 15 countries, and their remaining African and Asian populations currently face genetic weaknesses, such as low sperm counts and deformed tails, because of inbreeding. [More] rss.sciam.com |
Fight to protect California condors from lead ammunition moves to Arizona It has been 22 years since the last 22 California condors ( Gymnogyps californianus ) were collected from the wild and placed in captive breeding programs. The species, which nearly went extinct due to habitat loss, poaching, DDT and lead poisoning, has since rebounded to 332 birds, according to counts maintained by the Zoological Society of San Diego . But despite that conservation success, condors still face a major threat from lead poisoning, which often occurs when the birds eat carcasses killed by hunters' lead ammunition. [More] rss.sciam.com |