8,241 results
8,241 results for: Fish
- Earth
Bed of Armor: Large rocks hold fast in flooding streams
The relative proportions of rocks of various sizes in gravel-lined streams remain constant, even during substantial floods.
- Ecosystems
Return of the Wetlands? Restoration possible for some Iraqi marshes
Field studies conducted in Iraq last year suggest that some of the region's ecologically devastated marshes could be returned to health.
- Health & Medicine
Seeing Red and Finding Fraudulent Fish
The sale of falsely labeled fish has implications for health, nutrition, and the environment.
- Humans
A Galling Business
Efforts are under way to halt both poaching and inhumane farming of bears to supply bile, an ingredient used in traditional Asian medicine.
- Ecosystems
Valuing Nature
With help from ecotourism-oriented commerce, the threatened birds of Uganda's Mabira Forest Reserve might just save themselves and set an example for conservationists elsewhere.
- Health & Medicine
Tracking down an emerging disease
By examining geographic patterns of outbreaks of a disfiguring skin disease in tropical nations, scientists are finding tentative clues about how the ailment spreads.
- Animals
Hide and See
A new look at fish on coral reefs considers the possibility that all that riotous color has its inconspicuous side.
- Health & Medicine
Academic Cost of Food Insecurity
Grade school children who come from households where food supplies are not always adequate exhibit more behavioral problems and poorer reading and math skills than do kids who have ample access to nutritious food.
- 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.
- 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
A Fishy Therapy
Shark cartilage continues to be sold to fight cancer, even though its efficacy has not been confirmed by any major U.S. trials.
- Earth
Blowflies shed mercury at maturity
Blowflies that absorb mercury from fish carcasses they feed on as larvae rid themselves of much of that toxic metal when they become adults.
