7,733 results
- Humans
Letters from the March 26, 2005, issue of Science News
Sleeper issue “Goodnight moon, hello Mom and Dad” (SN: 1/22/05, p. 61) attributes behaviors of earlier bedtime, longer sleeping, and earlier weaning to “greater personal independence” in children who sleep alone. It is equally possible that these behaviors are due to something else. Research predicting which children and families will benefit from co-sleeping or alone […]
- Planetary Science
Exploring Mars
Here’s your chance to help NASA explore the surface of Mars. At its Marsoweb site, the agency provides detailed maps, engineering data, and interactive tools for studying the Red Planet’s alien terrain. Visitors are invited to look for and report important geologic features that haven’t yet been catalogued or even viewed by researchers. Go to: […]
- Planetary Science
Martian Landscaping: Spacecraft eyes evidence of a frozen sea
After analyzing images taken by the orbiting Mars Express spacecraft, researchers reported that a flat region near the Red Planet's equator holds a frozen ocean that was once the size of the North Sea.
- Earth
Muddy Waters
Even though human activities such as agriculture and deforestation are sending more sediment into streams and rivers, less of that material is reaching river deltas, a trend that exacerbates problems such as subsidence and coastal erosion.
- Archaeology
Pompeii’s burial not its first disaster
Recent excavations reveal that the city of Pompeii, famed for its burial by an eruption of Italy's Mt. Vesuvius in A.D. 79, experienced several devastating landslides in the centuries preceding its demise.
- Earth
Hurricane Season
The U.S. Geological Survey offers a Web site devoted to the impact of hurricanes and extreme storms on coastal regions of the United States. Historical information reviews the effects of such hurricanes as 2003’s Isabel and 1996’s Fran. Another section looks at erosion along the U.S. West coast caused by El Niño-induced changes. The site […]
- Earth
Shake Down: Deep tremors observed at San Andreas fault
Patterns of activity for a type of tremor that occurs deep beneath California's San Andreas fault may offer scientists a way to foretell earthquake activity there.
- Humans
Science News of the Year 2005
A review of important scientific achievements reported in Science News during the year 2005.
- Planetary Science
Riddles on Titan
Two puzzles have emerged from the Cassini spacecraft's first close flyby of Saturn's largest moon, Titan.
- Earth
Chalk reveals greatest underwater landslide
Seismic waves generated by an extraterrestrial object crashing into Mexico 65 million years ago appear to have sent sediment from shallow waters sliding off the continental shelf.
- Earth
Hidden Canyons
Among Earth's unsung geological masterpieces are undersea canyons, some of which stretch hundreds of kilometers and can be deep enough to hold skyscrapers.
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Backyard Nature
Naturalist Jim Conrad has created a friendly, nicely illustrated introduction to studying nature, starting in your own backyard. The Web site features information on plants, animals, and fungi that might thrive in a backyard. It also provides basic information on ecology, geology, naming and classifying living things, and other topics. Look for the list of […]
