8,273 results
8,273 results for: Fish
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SN Online
ON THE SCENE BLOG The man at the rover lab’s helm talks to Science News. See “A lifetime of curiosity: An interview with JPL director Charles Elachi.” Courtesy Helmut Tischlinger, Eichstätt Museum of the Jurassic LIFE An unusually well-preserved fossil suggests dino ancestors were fluffy. Read “All dinosaurs may have had feathers.” HUMANS DNA tracks […]
- Animals
Perfect Match: Tied contest gives fish no hormone rush
A male fish produces a burst of hormones as he fights off an intruder, but this surge isn't triggered simply by fighting.
- Ecosystems
West Nile virus fells endangered condor
A 3-month-old California condor chick, one of only four of this highly endangered species born in the wild this year, succumbed to a West Nile virus infection.
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Macho Makeover: Fish rapidly ascend social ladder
Some male fish can upgrade their social status, and their appearance, in a matter of minutes.
- Paleontology
Some plesiosaurs went for clams
The fossils of plesiosaurs recently unearthed in Australia suggest that the long-necked, aquatic reptiles had a more varied diet than scientists had previously suspected.
- Earth
Breaking Waves: Mangroves shielded parts of coast from tsunami
Along a strip of India's southeastern coastline, trees protected certain villages from last December's tsunami, while waves wiped out neighboring settlements that weren't sheltered by vegetation.
- Chemistry
Whiff Weapon: Pheromone might control invasive sea lampreys
Researchers have characterized the primary components of the migratory pheromone that guides sea lampreys to suitable spawning areas.
- Archaeology
From prison yard to holy ground
Archaeological excavations at a prison near Megiddo, Israel, have unearthed the remains of what may be one of the region's oldest Christian churches.
- Animals
Tszzzzzt! Electric fish may jam rivals’ signals
An electric fish appears to sabotage a rival's electric signals as a fight starts. With Audio and Video.
- Earth
Nonstick Taints: Fluorochemicals are in us all
A new federal study strongly suggests that all U.S. residents harbor measurable traces of fluorochemicals, compounds found in a host of consumer products.
- Ecosystems
Feminized cod on the high seas
Male cod in the open ocean are producing an egg-yolk protein ordinarily made only by females, signaling their potential exposure to estrogen-mimicking pollutants.
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Urban fish show perturbed spawning cycle
Sediment-dwelling fish off Seattle's waterfront exhibit spawning abnormalities that may compromise their ability to reproduce successfully.
