Earth
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Earth
Large earthquake would ravage Oregon
A magnitude 8.5 earthquake off the coast of Oregon would devastate portions of the state, kill thousands of residents, and wrack the economy there for more than a decade.
By Sid Perkins -
Earth
Memory problems linked to PCBs in fish
Adult exposures to polychlorinated biphenyls, from eating tainted fish, correlate with lower scores on learning and memorization tasks.
By Janet Raloff -
Earth
New test traces underground forest carbon
An unusual method of studying soil respiration by girdling trees may clear up several vital mysteries in the way carbon cycles through forests.
By Susan Milius -
Earth
Global Warming Debate Gets Hotter
President Bush gets the global warming report he commissioned just days before he meets with European leaders.
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Earth
Geologists take magnetic view through ice
A new map of the magnetic anomalies in Antarctica and the seafloor surrounding the continent is giving researchers a fresh tool to use in analyzing geologic features that lie hidden beneath thousands of feet of ice or storm-tossed seas.
By Sid Perkins -
Earth
Allergic to computing?
Over the years, many studies have linked skin rashes in some people to working long hours at personal computers. A Swedish study now finds a possible explanation: Certain computer monitors emit a chemical that can cause allergic reactions. Three years ago, while analyzing pollution in samples of outdoor air, Conny Östman and his colleagues at […]
By Janet Raloff -
Earth
Nations sign on to persistent-pollutants ban
The United States joined 126 other nations in signing a treaty to ban or phase out a dozen persistent and toxic pollutants.
By Janet Raloff -
Earth
Salmon hatcheries can deplete wild stocks
Hatchery fish appear to be replacing wild salmon populations in the Columbia River.
By Janet Raloff -
Earth
Daily Planet Earth
The Earth Science Picture of the Day Web site features photos, satellite images, and illustrations that highlight the diverse processes and phenomena shaping our planet and influencing our lives. A short explanatory caption and links to sources for more detailed information accompany each illustration. Go to: http://epod.usra.edu/
By Science News -
Earth
They’re not briquettes, but they’ll do
Chunks of fossil charcoal found in ancient sediments in north central Pennsylvania suggest that cycles of wildfire plagued Earth more than 360 million years ago.
By Sid Perkins -
Earth
Lead Therapy Won’t Help Most Kids
Removing lead from the blood fails to spare even moderately exposed children from cognitive impairments.
By Janet Raloff -
Earth
Pump up a plateau to make a monsoon
Computer models show that the onset and strengthening of Asian monsoons over the past 8 million to 9 million years are strongly linked to various stages in the uplift of the Tibetan plateau.
By Sid Perkins