8,292 results
8,292 results for: Fish
- Materials Science
Making artificial muscles with a spin
Scientists have given ordinary fishing line and sewing thread a new twist. When coiled into tight corkscrews, the fibers can lift loads more than 100 times as heavy as those hefted by human muscles.
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- Humans
Letters from the October 21, 2006, issue of Science News
Fish story? To argue that the concentrations reported in “Macho Moms: Perchlorate pollutant masculinizes fish” (SN: 8/12/06, p. 99) are environmentally relevant is misleading. Those concentrations are usually in groundwater, not surface waters. I’ve been involved in the environmental field for almost 20 years and have yet to hear of any fish being caught in […]
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Feedback
Readers respond to disco clams, flying ibises and the changes pot makes on the brain.
- Humans
Letters from the November 11, 2006, issue of Science News
The Carolinas to New Jersey “Bad-News Beauties: Poison-spined fish from Asia have invaded U.S. waters” (SN: 9/9/06, p. 168) cites evidence of a severe genetic bottleneck, suggesting that perhaps no more than three pregnant females launched the expanding western Atlantic red lionfish population. How can there be “pregnant females” in an animal with the external […]
- Life
Vitamin A deficit in the womb hurts immune development
Mice deprived of vitamin A in utero grow up with undersized immune organs.
- Humans
Letters from the February 3, 2007, issue of Science News
All together now It is not only the scientific literature that documents the unexpected “doughnut” pattern in swarms (“The Mind of the Swarm,” SN: 11/25/06, p. 347). Italo Calvino’s fictional Mr. Palomar observed (rather more lyrically) about the flocking of Roman starlings, “Finally a form emerges from the confused flutter of wings, advances, condenses: it […]
- Life
The name of the fungus
A rebellion has broken out against the traditional way of naming species in the peculiar, shape-shifting world of fungi.
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- Life
Young tasmanian devil moms
Tasmanian devils have started mating much earlier in response to an epidemic, called facial tumor disease, that is wiping out much of their population.
- Health & Medicine
Against the grains
People on either a low-carbohydrate or Mediterranean diet fared better over two years than those on a low-fat diet.
- Animals
We all sing like fish
From opera singers to toadfish, vertebrates may use basically similar circuitry for controlling vocal muscles.
