8,270 results
8,270 results for: Fish
- Humans
Russia’s nuclear-safety issues spread
A leading Russian environmentalist, Aleksandr Nikitin, says Russia's problems with nuclear-waste management should concern people beyond that country's borders.
- 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.
- Earth
Early Shift: North Sea plankton and fish move out of sync
As ocean temperatures in the North Sea have warmed in recent decades, the life cycles of some species low in the food chain have accelerated significantly, sometimes wreaking ecological havoc.
- Earth
There’s a Catch: Recreation takes toll on marine fish
Recreational fishing isn't just a tiny, harmless nibble on saltwater-fish populations.
- Health & Medicine
Alzheimer’s Advance: Omega-3 fatty acid benefits mice
A diet that includes a key omega-3 fatty acid found in fish prevents some memory loss in mice that develop a disease resembling Alzheimer's.
- 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.
