Search Results for: Fish
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- Humans
From the October 14, 1933, issue
SOVIET ASCENSION BREAKS WORLD ALTITUDE RECORD Enclosed within the metal shell pictured on the front cover of Science News Letter, three Soviet scientists rose higher above the surface of the earth than man has ever been before, in an ascension from Moscow on September 30. It is the gondola of the Soviet free balloon USSR. […]
By Science News - Earth
Chicken Farming, Ammonia, and Coastal Threats
Chicken farming can contribute significant amounts of ammonia to the environment, including coastal waters.
By Janet Raloff - Animals
Secret Signal: Fish allurement that predators don’t see
In a rare demonstration of secret messaging in animals, a swordtail fish uses ultraviolet courtship signals that are invisible to a predator.
By Susan Milius - Chemistry
Toxic runoff from plastic mulch
Pesticide runoff from tomato fields covered with sheets of plastic can kill fish, clams, and other aquatic life.
By Janet Raloff -
- 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.
By Sid Perkins - 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 […]
By Janet Raloff - Earth
Weed killer feminizes fish
The weed killer atrazine can turn normally hermaphroditic fish into females, a new study shows.
By Janet Raloff - 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.
By Susan Milius - 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.
By Susan Milius - 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.
By Janet Raloff - 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.
By Sid Perkins