8,240 results
8,240 results for: Fish
- Chemistry
Toxic runoff from plastic mulch
Pesticide runoff from tomato fields covered with sheets of plastic can kill fish, clams, and other aquatic life.
- Earth
Mercurial Effects of Fish-Rich Diets
In the spring of 2000, one of Jane M. Hightower’s patients had been concerned about hair loss, so the internist referred the woman to a specialist in her building. That dermatologist probed the woman’s medical history but could find no explanation. That is, until she suddenly recalled a radio broadcast about mercury poisoning in people […]
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Culture of the Sea
Whales and dolphins strut their social stuff for scientists.
- Earth
Weed killer feminizes fish
The weed killer atrazine can turn normally hermaphroditic fish into females, a new study shows.
- Earth
Paved Paradise?
The precipitation-fed runoff that spills from impervious surfaces such as buildings, roads, and parking lots in developed areas increases erosion in streams, wreaks ecological havoc there, and contributes to urban heat islands.
- Animals
Snapping shrimp whip up a riot of bubbles
High-speed video and fancy math demonstrate that snapping shrimp make so much noise by popping bubbles.
- 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.
- Paleontology
Forged fossil is a fish-eating fowl
Detailed analyses of Archaeoraptor, a forged fossil once thought to be a missing link between dinosaurs and birds, reveal that the majority of that fake comes from an ancient, fish-eating bird.
- Earth
Marsh Farming for Profit and the Common Good
A move is now afoot to get farmers to embrace wetlands as part of their business.
- Earth
Sexual Hang-Up: Fish hormones change when oxygen is scarce
Oxygen deprivation—an escalating problem in freshwater ecosystems worldwide—tampers with sex hormones in carp and might underlie the decline in some fish and amphibian species.
- Earth
Methylmercury’s toxic toll
More than 60,000 children are born each year with neurodevelopmental impairments due to their prenatal exposure to methylmercury.
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Dolphins bray when chasing down a fish
The first high-resolution analysis of which dolphin is making which sound suggests that hunters blurt out a low-frequency, donkeylike sound that may startle prey into freezing for an instant or attract other dolphins.
