562 results
- Space
Sharpshooting Enceladus
Swooping within 49 kilometers of Saturn’s tiny, geologically active moon Enceladus, the Cassini spacecraft has pinpointed the locations of the icy geysers that erupt from the southern hemisphere of this wrinkled moon’s surface.
- Life
Genes & Cells: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Genes & Cells. Follow hotlinks to the full, original stories.
- Life
Reviving extinct DNA
For the first time, scientists have resurrected a piece of DNA from an extinct animal — the Tasmanian tiger. The researchers engineered mice with a piece of the long-gone marsupial's DNA that turns on a collagen gene in cartilage-producing cells.
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Letters
Disturbing numbers I found the “Sizing up science” Science Stat (SN: 8/2/08, p. 4) somewhat disconcerting with regard to the opinion about medicine. Basic medical research, in which ties to pharmaceutical companies and the like are not limited, may be “scientific” in the usual sense, but once you enter the arena of clinical research, the […]
- Agriculture
Predators zoom in on lice-infested salmon
New research reveals another impact of fish farming on wild stocks.
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Letters
From the August 30, 2008 issue of Science News.
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Sequencing the dead to save the living
Reviving ancient genomes of long-extinct creatures offers a window into past extinctions—and may help prevent future die outs.
- Planetary Science
Gassy Geysers: Cassini surveys Saturn’s moon
NASA's Cassini spacecraft had a close encounter with the giant vapor plume gushing from Saturn's tiny moon Enceladus.
- Life
A more fearsome saber-toothed cat
Analyses of fossils reveal that a third, newly recognized type of saber-toothed cat — one that killed by biting large chunks of flesh from its victim instead of biting its neck and slashing the major blood vessels there —roamed the Americas about a million years ago.
- Animals
Hybrid Power: Salamander invader ups survival of rare cousin
Mixed offspring of the endangered California tiger salamander and an invasive cousin survive better than either pure-bred species, raising tricky questions for conservationists.
- Animals
Moths mimic ‘Don’t eat me’ sounds
Moths that make clicking noises at predatory bats are mimicking a defensive signal made by other moths that click and also taste bad.
- Materials Science
Cornering the Terahertz Gap
Controlling light’s path could enable invisibility or harness an intriguing but so far elusive stretch of the spectrum.
