Search Results for: Fish
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8,274 results for: Fish
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ArchaeologyFrom 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.
By Sid Perkins -
AnimalsTszzzzzt! 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.
By Susan Milius -
Health & MedicineL’Chaim: Wine compound lengthens mouse lives
A constituent of red wine appears to increase the life spans and boost the well-being of mice that haven't followed the healthiest of lifestyles.
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EarthFarm salmon spread deadly lice
In the Pacific Northwest, sea lice that spread from cultivated salmon to their wild counterparts have become major parasites affecting the wild population.
By Ben Harder -
AnthropologyStone Age Footwork: Ancient human prints turn up down under
An ancient, dried-up lakeshore in Australia has yielded the largest known collection of Stone Age footprints, made about 20,000 years ago.
By Bruce Bower -
EarthSinking Mercury: Light-based reactions destroy toxic chemical in Arctic lakes
Sunlight triggers the entry of poisonous mercury into polar lakes, but it also removes most of the toxic compound before fish can consume it.
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AnimalsNew candidates for smallest vertebrate
Two recent scientific papers have described fish species that could, depending on the definition, be the world's smallest known vertebrate.
By Susan Milius -
AnimalsKiller Flatworm: New species hunts with puffer fish toxin
A newly described marine flatworm from Guam hunts with the same toxin that a puffer fish uses. With video.
By Susan Milius -
Transplant reroutes cells from sperm to eggs
Fish cells destined to become sperm can become eggs when transplanted into larvae.
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EarthSpecies-aid budget looks fishy
State and federal governments spent $1.4 billion in 2004 on conserving endangered and threatened species, with one-third of that sum going to protect fish.
By Janet Raloff -
Pigging Out Healthfully: Engineered pork has more omega-3s
Scientists have created pigs that sport much higher concentrations of omega-3 fatty acids in their tissues than normal pigs do.
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AnimalsWorm can crawl out of predators
A parasitic worm can wriggle out through a predator's gills or mouth if the predator eats the worm's insect host. With video.
By Susan Milius