Uncategorized
- Planetary Science
Radar for rovers on future Mars trips?
Scientists are developing ground-penetrating radar equipment that could serve as geologists' helpers on future Mars-roving vehicles.
- Earth
Spores record changes in ozone concentration
Decreasing concentrations of atmospheric ozone over Antarctica have triggered changes in the spores of a plant that grows in the region, a trend that could give scientists insight into ancient extinctions.
- Planetary Science
Enceladus: Small but feisty
Close-up observations of Saturn's tiny moon Enceladus reveal that its south pole is hotter than its equator and that the icy satellite continues to undergo eruptions.
- Health & Medicine
Stroke site is often not right
Thousands of strokes in the right half of the brain may go unrecognized because their symptoms are less distinctive than those of left-side strokes.
- Health & Medicine
Targeted Attack
Scientists are piecing together the details of how mutations in a protein called EGFR can lead to cancer, and they are designing a new class of drugs to stop the protein's destructive behavior.
- Earth
Earthshaking Event
Seismic instruments have provided a wealth of information about the earthquake that rocked Sumatra on Dec. 26, 2004.
- Math
Knotted Strings and Inca Accounts
Researchers are starting to untangle mysterious Inca messages encoded in knotted strings.
- Humans
Letters from the August 20, 2005, issue of Science News
Just a little gas “Energy on Ice” (SN: 6/25/05, p. 410) states that the gas-hydrate deposit near Prudhoe Bay “contains more than 1.2 trillion cubic meters of gas. That’s twice the total amount of natural gas consumed annually in the United States. …” Does it behoove us to invest the time and dollars it will […]
- Humans
From the August 17, 1935, issue
Cactus gardening for a dry summer, Echo-sounding to locate fish, and suspended animation in humans.
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Wildlife Finder
For a sofa safari, type in a location somewhere on the planet (by city, country, or even zip code) and see what kinds of natural habitat lie nearby. Created by the World Wildlife Federation, this Web site generates a list of mammals, birds, amphibians, and reptiles reported in that type of habitat and links them […]
- Animals
Getting the Gull: Baiting trick spreads among killer whales
A young male orca that spits up fish and then ambushes gulls attracted to the mess seems to have started a wave of cultural transmission.
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Bitty Beasts of Burden: Algae can carry cargo
Scientists have devised a way to make single-cell algae bear loads over distances of several centimeters, a tactic that could prove useful in tiny machines.
