Molting cleanses water fleas Losing a carapace means also losing parasitic bacteria Web edition : Wednesday, April 11th, 2012 Getting naked may help to protect a species of tiny water flea. When Daphnia magna molts, its discarded body armor can carry away harmful bacteria, a new study finds.
Fact sheet; October 2009 EPA is determining that Missouri needs new or revised recreation designated uses, i.e. whole body contact recreation, for a 28.6-mile portion of an existing 190.5-mile segment of the Mississippi River that flows from Dam 27 to the confluence with the Ohio River.
Metal water bottles may leach BPA The estrogen-mimicking pollutant traces to a polymer resin lining affected bottles Web edition : Monday, July 11th, 2011 Consumers who switched from polycarbonate-plastic water bottles to metal ones in hopes of avoiding the risk that bisphenol A will leach into their beverages aren't necessarily any better off, a new study finds.
Stronger storms may destroy ozone Extra water vapor up high coul trigger destructive chemical reactions Web edition : Thursday, July 26th, 2012 Climate change may spur the destruction of ozone in unexpected parts of the globe. In a warming world, many scientists believe, severe weather will become more common.