8,269 results
8,269 results for: Fish
- Earth
Tales of the Undammed
Although destroying dams is often presumed to restore rivers, the results of such action are actually mixed, according to recent studies.
- Earth
Sewage linked to fish-gender quirks
Releases from sewage treatment plants appear to impair reproductive tissues in fish.
- Ecosystems
Decades of Dinner
Sunken whale carcasses support unique marine ecosystems that display stages of succession and change, just as land ecosystems do.
- Tech
Sixth Sense
A budding technology called electric field imaging may soon enable devices such as appliances, toys, and computers to detect the presence of people and respond to their motions.
- Animals
Myth of the Bad-Nose Birds
Even though a lot of people still believe birds have no sense of smell, certain species rely on their noses for important jobs, such as finding food and shelter, and maybe even a mate.
- 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.
- Health & Medicine
Fishy Advice—Which Tuna Is Best for You?
Canned light tuna is a good choice for people who want to lower their intake of mercury.
- Ecosystems
Bird Dilemma: More seabirds killed when boats discard fewer fish
A long-term study of great skuas shows that when fishing fleets discard less fish, birds that scavenge for waste make up for the loss by increasing attacks on other seabirds.
- Anthropology
Linguists in Siberia record dying tongues
Researchers trekking through remote Russian villages have identified and interviewed some of the last remaining speakers of two Turkic languages.
- Archaeology
Seeds of agriculture move back in time
Excavations in Israel indicate that people began to eat large quantities of wild grass seeds and wild cereal grains by around 23,000 years ago, which pushes back by 10,000 years the estimated shift to a plant-rich diet.
- Animals
Turtle Trekkers: Atlantic leatherbacks scatter widely
Satellite monitoring of leatherback turtles in the Atlantic show that these animals range widely instead of sticking to "turtle corridors."
- Earth
Sea Change: Ocean report urges new policies
To combat environmental degradation and encourage sustainable use of resources off the nation's shores, the U.S. government needs to double its investment in marine research, integrate management of coastal and inland ecosystems, restructure agencies that influence the oceans' health and productivity, and take other far-reaching steps, according to a commission created by Congress.
