8,281 results
8,281 results for: Fish
- Ecosystems
Eels on the move
Study tracks European eels for the first 1,300 kilometers of their migration.
- Paleontology
Fish death, mammal extinction and tiny dino footprints
Paleontologists in Bristol, England, at the annual meeting of the Society of Vertebrate Paleontology report on fish fossils in Wyoming, the loss of Australia’s megafauna and the smallest dinosaur tracks.
- Space
Europa’s proposed ocean could be rich in oxygen
A proposed ocean on Jupiter’s moon Europa may receive about 100 times more oxygen than previously estimated.
- Life
Hormones give lantern sharks the glow
In a first, a study shows that bioluminescence can be controlled by slow-acting hormones, not rapid-fire nerve cells.
- Anthropology
Stone Age campers set up separate activity areas
Hominids displayed advanced organizational thinking almost 800,000 years ago
- Earth
Footprints could push back tetrapod origins
Newly discovered trackways much older than previous evidence for sea-to-land transition.
- Health & Medicine
Benefits of omega-3 fatty acids tally up
A study of patients with sepsis and a second in people with heart disease suggest the fish oil compound may aid health.
- Life
For pipefish, measly Mr. Mom needs help
In species with pregnant males, females may put something extra into eggs.
- Life
Keeping black bears wild
Wildlife managers compare ways to keep bears away from food and people.
- Earth
Florida’s big chill may have hammered corals near shore
January cold snap caused rare wintertime coral bleaching and die-offs for Florida’s coral reefs.
- Materials Science
A charge for freezing water at different temperatures
Experiments use positive and negative forces to control ice formation at temperatures well below the normal freezing point.
- Paleontology
Sail-backed dinos had semiaquatic lifestyle
Isotopic analyses of fossils suggest the carnivores had crocodile-like habits.
