Search Results for: Geology
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7,845 results for: Geology
- Earth
Fighting Water with Water: To lift the city, pump the sea beneath Venice
With technology commonly used in oil fields, engineers could inject large volumes of seawater into sandy strata deep beneath Venice, Italy, to reverse the ground subsidence that plagues the city.
By Sid Perkins - Planetary Science
Roving on the Red Planet
Scientists review the discoveries made by the Mars rovers after nearly 18 months on the Red Planet.
By Ron Cowen - Earth
Wafting pesticides taint far-flung frogs
Agricultural pesticides blowing into California's wilderness areas have played a role in mysterious declines in frog populations.
By Susan Milius - Planetary Science
Titanic Close-up: Cassini eyes Saturn’s big moon
Using radar to penetrate the thick haze surrounding Saturn's moon Titan, the Cassini spacecraft has found evidence that the moon's surface is coated with hydrocarbons and dark patches that might be lakes of ethane or methane.
By Ron Cowen - Earth
Geyser Bashing: Distant quake alters timing of eruptions
A powerful earthquake that struck central Alaska on Nov. 3, 2002, changed the eruption schedule of some geysers in Wyoming's Yellowstone National Park, more than 3,100 kilometers away.
By Sid Perkins - Paleontology
Fossil Fingerprints: Rare earths tie bones to burial ground
The soil in which fossilization occurs leaves a chemical imprint on the bones, suggesting that scientists can use this soil signature to identify more precisely a fossil's original home.
By Carrie Lock - Paleontology
Rare English bits are oldest known charcoal
Analyses of small black chunks of material extracted from 420-million-year-old rocks found along the England-Wales border suggest that they're remnants of the earliest known wildfire.
By Sid Perkins - Humans
From the December 15 & 22, 1934, issues
Life on Mars, a substitute for morphine, the statistics of human behavior, ice and snow, and the top science stories of the year (1934).
By Science News - Earth
Desert Life
What is a desert? How many deserts are in North America? This extensive Web site offers information about the desert environment and the unique characteristics that define the beautiful desert landscapes of the U.S. Southwest. It includes images, stories, movie and audio clips, and virtual-reality tours on many desert-related topics, from plants and animals to […]
By Science News - Humans
What’s Wrong with This Picture?
Scientists and educators increasingly are using analyses of bad science in movies, as well as the good, to inform the public about scientific facts and principles.
By Sid Perkins - Paleontology
The last ice age wasn’t totally icy
Radiocarbon dating of fossils taken from caves on islands along Alaska's southeastern coast suggest that at least a portion of the area remained ice-free during the last ice age.
By Sid Perkins - Earth
Straight Flush
Scientists are evaluating the results of the flood they unleashed in the Grand Canyon last November, hoping that it will restore sandbars and beaches along the Colorado River just downstream of Arizona's Glen Canyon Dam.
By Sid Perkins