8,283 results
8,283 results for: Fish
- Earth
Creativity offers insights into the past and future
With the long-term future of many fisheries in doubt and severe drought once again hitting the Southwest, coming up with new insights into the past and future on land and sea may be crucial to protecting some of our most precious resources.
- Animals
Swimming dolphins don’t need to cheat
Dolphins swimming through bubbles burst old notion of underpowered muscles.
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19051
My olfactory sense was alerted while pregnant but stayed on guard. After 7 years, it’s sharper than ever. I can smell the minutest scents, which means my taste buds are equally sensitive. In some ways, it’s a blessing, but I end up smelling more than I want to: men too interested in me, a married […]
- 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.
- 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.
- Earth
Methylmercury’s toxic toll
More than 60,000 children are born each year with neurodevelopmental impairments due to their prenatal exposure to methylmercury.
- Earth
Estrogen effects linger in male fish
Male fish can inappropriately make egg yolk protein, even when only intermittently exposed to water tainted with an estrogenic pollutant.
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Promiscuity in guppies has its virtues
Mating with multiple partners benefits the female Trinidadian guppy and her offspring by reducing gestation time and producing youngsters more adept at forming protective schools and at evading capture.
- Humans
Russia’s nuclear-safety issues spread
A leading Russian environmentalist, Aleksandr Nikitin, says Russia's problems with nuclear-waste management should concern people beyond that country's borders.
- Animals
Strange Y chromosome makes supermom mice
An otherwise rare system of sex determination has evolved independently at least six times in one genus of South American mice.
- Earth
Aquatic Non-Scents
Many common pollutants appear to be jeopardizing the survival of fish and other aquatic species by blunting their sense of smell.
