8,274 results
8,274 results for: Fish
- Animals
Super Bird: Cooing doves flex extra-fast muscles
Muscles that control a dove's cooing belong to the fastest class of muscles known.
- Animals
Pirates of the Amphibian: Males fertilize eggs of another guy’s gal
For the first time among amphibians, scientists have found frogs that sneak their sperm onto egg clutches left by another mating pair.
- Paleontology
Big Gulp? Neck ribs may have given aquatic beast unique feeding style
The fossilized neck bones of a 230-million-year-old sea creature have features suggesting that the animal's snakelike throat could flare open and create suction to pull in prey.
- Chemistry
Buckyballs at Bat: Toxic nanomaterials get a tune-up
The soccer-ball-shaped carbon molecules known as buckyballs are toxic to human cells, yet coating the particles can switch off their toxicity.
- Animals
Beat Goes On: Carp heart keeps pace when fish lacks oxygen
Without oxygen, a Scandinavian fish not only can survive but also maintains a normal heartbeat for days.
- Anthropology
Chimps show skill in termite fishing
Video cameras set up in a central-African forest have recorded the sophisticated ways in which local chimpanzees catch termites for eating.
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Cavefish blinded by gene expression
New evidence supports the theory that Mexican blind cavefish are sightless by evolutionary selection, not chance.
- Animals
Dangerous Times: Guppies don’t follow rules for old age
A study of wild guppies suggests that life in a dangerous place does not automatically push evolution toward rapid aging as previously thought.
- Earth
DDT linked to miscarriages
A study of Chinese women finds that the pesticide DDT can not only affect menstrual cycles but also foster miscarriages very early in pregnancy.
- Earth
Choked Up: How dead zones affect fish reproduction
Some Gulf coast fish exposed to low oxygen are experiencing reproductive problems, and lab studies suggest that a particular protein that silences or reduces sex hormones may be to blame.
- Paleontology
The big fish that went away . . .
Fossils found near Charleston, S.C., suggest that an extinct species of billfish related to today's swordfish and marlin would easily exceed the lengths documented for world-record specimens of those oft-sought sports fish.
- Earth
Dead zones may record river floods
Microorganisms that live in seafloor sediments deposited beneath periodically anoxic waters near the mouths of rivers could chronicle the years when those rivers flooded for extended periods.
