8,309 results
8,309 results for: Fish
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Evolution may not be slow or random
Studies of fruit flies taking over the New World and stickleback fish adapting to Canadian lakes suggest that evolution can proceed quickly and take predictable paths.
- Humans
Treaty Nears on Gene-Altered Exports
In an effort to help preserve biodiversity, negotiators from 130 nations crafted rules of conduct for international trade in living, genetically engineered organisms.
- Physics
Black hole recipe: Slow light, swirl atoms
Whirling clouds of atoms may swallow light the way black holes do, possibly giving scientists a way to test the general theory of relativity in the lab, not just in outer space.
- Earth
DDT treatment turns male fish into mothers
Injecting into fish eggs an estrogen-mimicking form of the pesticide DDT transforms genetically male medaka fish into apparent females able to lay eggs that produce young.
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Migration may reawaken Lyme disease
Lyme disease can hide in healthy-looking birds until the stress of migration drives it into a potentially infectious state.
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Brain wiring depends on multifaceted gene
A single gene may produce 38,000 unique proteins that guide the growth of the developing brain.
- Agriculture
Carnivorous fish nibble at farming gain
Fish farming may ease pressure on wild stocks overall, but for certain species, farms mean a net loss of fish.
- Health & Medicine
Darn that diet, anyway
Seemingly healthful foods—such as broiled chicken and baked fish—can contain high concentrations of compounds that may damage the cardiovascular system, and eating these foods can raise the concentration of these so-called advanced glycation end products in a person's blood.
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- Chemistry
Lakes reveal low phosphate concentrations
Researchers using a new technique have found that previous measurements of phosphate, an important nutrient in lake ecosystems, have grossly overestimated its concentration.
- Health & Medicine
The brew for a slimmer you
Green tea contains a compound that triggers the body to burn more fat.
