Earth
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Earth
Smog’s ozone spawns funky carpet smells
Strange, unpleasant odors may emanate from carpets for years due to reactions caused by exposure to smoggy air.
By Janet Raloff -
Earth
Feminized Frogs: Herbicide disrupts sexual growth
At concentrations currently found in water, the widely used weed killer atrazine hormonally strips male frogs of their masculinity and may be partly responsible for global amphibian declines.
By Ben Harder -
Earth
Motion of ice across Lake Vostok revealed
New measurements of the movement of the Antarctic ice sheet across a lake that harbors microbial life beneath 4 kilometers of ice could help scientists determine where to drill to get the freshest samples of frozen water without contaminating the lake.
By Sid Perkins -
Earth
Do your bit to fight toxic pool pollution
New data suggest that showering before a swim in the community pool could help limit the formation of toxic chemicals in the water.
By Janet Raloff -
Agriculture
Journal disowns transgene report
The journal Nature now says it shouldn't have published a report that genetically engineered corn is leaking exotic genes into the traditional maize crops of Mexico.
By Susan Milius -
Earth
Stemming the Tide
New approaches to stopping the introduction by ships of invasive species to North American waters are beginning to show promise but have a long way to go.
By Ben Harder -
Earth
Satellites discover new Arctic islands
Danish researchers analyzing satellite observations of remote Tobias Island, discovered in 1993 off the northeastern coast of Greenland, have stumbled upon a new group of small islands nearby.
By Sid Perkins -
Earth
All Cracked Up from the Heat? Major hunk of an Antarctic ice shelf shatters and drifts away
A Rhode Island-size section of an Antarctic ice shelf splintered into thousands of icebergs in a mere 5-week period during the area's warmest summer on record.
By Sid Perkins -
Earth
Rocks in Earth’s mantle could hold five oceans
Analysis of minerals created in the laboratory under conditions that simulate those deep within the planet suggests that the zone of rocks just outside Earth's core could hold enough water to fill the oceans five times.
By Sid Perkins -
Earth
Zooplankton diet of mercury varies
By modeling a lake ecosystem in large tubs of water, researchers have found that zooplankton—an important link in the food chain—consume much less toxic methylmercury when the lake experiences an algal bloom.
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Earth
A Confluence of Contaminants: Streams’ organic mix may pose environmental risk
The combined effects of at least some of several dozen organic contaminants newly identified in U.S. streams may pose risks to aquatic organisms.
By Ben Harder -
Earth
Water for the Rock
A long-popular theory about how Earth got wet—that the oceans are puddles left by an ancient rain of comets—doesn't seem to hold water, and new hypotheses suggest that the celestial pantry is now empty of a key ingredient in the recipe for Earth.
By Ben Harder