8,271 results
8,271 results for: Fish
- Paleontology
Early Biped Fossil Pops Up in Europe
A newly described, nearly complete 290-million-year-old fossil of an ancient reptile pushes back the evidence for terrestrial bipedalism by 60 million years.
- Archaeology
Massive Fishery Resurfaces in Amazon
Native groups in an Amazonian region of Bolivia built a large-scale fishery and other earthworks at least 300 years ago, before the Spanish conquest.
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Lamprey cyborg sees the light and responds
Researchers have paired the brain of a sea lamprey with a small robot that can detect and move around in response to light.
- Ecosystems
Fly may be depleting U.S. giant silk moths
A parasitic fly introduced to fight gypsy moths starting in 1906 may be an overlooked factor in the declines of giant silk moths.
- Earth
Salmon puzzle: Why did males turn female?
Most of the spawning female Chinook salmon in one part of the Columbia River appear to have started life as males.
- Paleontology
Subway dig in L.A. yields fossil trove
Fossil finds made when a subway line was extended from Los Angeles into the San Fernando Valley include bones of mastodons, ground sloths, extinct bison and camels, and 39 new species of fish.
- Earth
Snowpack chemistry can deplete ozone
Pollutants trapped in Arctic snow can be reactivated by sunlight when the sun returns to high latitudes in the spring, leading to ozone depletion in the snowpack and at low altitudes.
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Film solves mystery of sleepwalking coral
For the first time, bewildered researchers realized that a bootlace-size eunicid worm can move chunks of coral around, perhaps explaining how some coral reefs get started.
- Chemistry
For a better smile, have some wasabi
Chemicals in the Japanese condiment wasabi could help prevent tooth decay.
- Earth
Plastic debris picks up ocean toxics
Some plastics can accumulate toxic pollutants from water, increasing the risk that they might poison wildlife mistaking these plastics for food.
- Ecosystems
Fish Epidemic Traces to Novel Germ
A new mycobacterium, related to the one causing tuberculosis, is responsible for a mysterious epidemic sickening some of the Chesapeake Bay's most prized fish.
- Paleontology
Jumbled bones show birds on the menu
A fossilized pellet of partially digested bones of juvenile and baby birds provides the first evidence that birds served as food for predators.
