Earth
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We summarize the week's scientific breakthroughs every Thursday.
- 			 Earth EarthAlgae Turn Fish into a Lethal LunchScientists demonstrated that some marine mammals have died from eating fish tainted with a neurotoxic diatom. By Janet Raloff
- 			 Earth EarthMost oil enters sea from nonaccidentsNearly all of the oil entering the marine environment traces not to accidents but to natural seeps and human activities where releases are intentional. By Janet Raloff
- 			 Earth EarthWretched weather sealed explorer’s fateUnusually low temperatures hindered Robert Falcon Scott's polar expedition in 1912. 
- 			 Earth EarthTaking a mountain’s measureA survey of Mount Everest alters its official elevation to 29,035 feet. 
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- 			 Earth EarthMapping the Frozen Sky: Study looks at clouds from both sides nowBy combining simultaneous observations from satellites and ground-based instruments, scientists can generate a three-dimensional map of the size and distribution of ice particles in a cirrus cloud. By Sid Perkins
- 			 Earth EarthSmoggy Asian air enters United StatesHigh concentrations of ozone from Asia reach the United States. 
- 			 Earth EarthThe Air That’s Up ThereResearchers are exploring how trees affect the chemistry of the atmosphere. 
- 			 Earth EarthShelter from Space Storms: Energy rebounds from EarthNASA satellite observations show that Earth's outer atmosphere interacts dramatically with the solar wind and shields the planet from it. 
- 			 Earth EarthHoney may pose hidden toxic riskMany honeys may contain potentially toxic traces of potent liver-damaging compounds produced naturally by a broad range of flowering plants. By Janet Raloff
- 			 Earth EarthSeptember’s Science: Shutdown of airlines aided contrail studiesThe shutdown of commerical aviation within the United States for 3 days after Sept. 11, 2001, provided scientists with a unique opportunity to study the influence of high-flying jet aircraft on Earth's climate. By Sid Perkins
- 			 Earth EarthTornado Alley, USAA new model that simulates 30,000 years worth of tornadoes in the United States finds that the place not to be if you fear funnel clouds is southeastern Oklahoma, where any particular spot can expect to get damaged once every 4,000 years. By Sid Perkins