Earth
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Earth
Undersea volcano: Heard but not seen
The search is on for an undersea eruption near the Japanese volcanic island chain.
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Agriculture
Apple pests stand up to antibiotics
Scientists are concerned about new forms of antibiotic resistance cropping up in fire blight—a deadly disease of apple trees.
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Agriculture
Cocoa yields are mushrooming—downward
A mushroom epidemic in Brazilian cacao trees, which has cut the production of cacao by 25 percent in 5 years, may be treatable with another fungus.
By Janet Raloff -
Earth
Plants seen as unpredictable carbon sponge
Changing land-use practices—especially in forests, croplands, and fallow areas—appear to play a far bigger role than anticipated in determining how much carbon gets removed from the air by vegetation.
By Janet Raloff -
Earth
Hey polluters! This billboard’s for you
Motorists generally like and respond to personalized billboard messages about when an engine tune-up may be warranted.
By Janet Raloff -
Earth
Pollution Keeps Rain up in the Air
New satellite data indicate that aerosol pollution can break up water droplets in clouds and stop rain.
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Agriculture
Afghanistan’s Seed Banks Destroyed
On Sept. 10, scientists in Kabul reported the loss of Afghanistan’s principal agricultural insurance policy: two stores of carefully collected seeds, materials selected to represent the genetic diversity of native crops. Here, some of the wheat seed brought into the country by a convoy, this spring, is being stored pending redistribution to Afghan farmers. USAID […]
By Janet Raloff -
Agriculture
Sprawling over croplands
Satellite imagery indicates that sprawling urban development has been disproportionately gobbling up those lands best able to support crops.
By Janet Raloff -
Earth
Chinese records show typhoon cycles
Historical records compiled by local governments along China's southeastern coast during the past 1,000 years suggest that there's a 50-year cycle in the annual number of typhoons that strike the area.
By Sid Perkins -
Earth
Cave formations yield seismic clues
Analyses of toppled stalagmites and other fallen rock formations in two Israeli caves may provide hints about the rate of ancient earthquakes in the area.
By Sid Perkins -
Earth
Recent heat may indicate faster warming
A new analysis of temperature records indicates that global warming may be picking up its pace.
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Earth
Uncertainty returns over sex-change fish
Scientists question whether a potentially gender-bending hormone found in polluted Florida streams is responsible for masculinized female fish.