8,240 results
8,240 results for: Fish
- Health & Medicine
To Fight Cataracts, It’s Fish Yea, Mayo Nay
Which fats predominate in a person's diet may influence that individual's susceptibility to cataracts.
- Earth
A Little Less Green?
Emerging data indicate that use of pyrethroid pesticides, even by home owners, poses significant environmental risks.
- Humans
Science News of the Year 2006
A review of important scientific achievements reported in Science News during the year 2006.
- Animals
Lobster Hygiene: Healthy animals quick to spot another’s ills
Caribbean spiny lobsters will avoid sharing a den with another lobster that's coming down with a viral disease.
- Earth
PCBs damage fish immune systems
A common Arctic fish can suffer subtle immunological impairments from exposure to polychlorinated biphenyls at concentrations recorded in some remote polar waters.
- Animals
Getting the Gull: Baiting trick spreads among killer whales
A young male orca that spits up fish and then ambushes gulls attracted to the mess seems to have started a wave of cultural transmission.
- Earth
Dashing Rogues
Rogue waves, which tower over the waves that surround them, are probably more common than scientists had previously suspected.
- Paleontology
Some plesiosaurs went for clams
The fossils of plesiosaurs recently unearthed in Australia suggest that the long-necked, aquatic reptiles had a more varied diet than scientists had previously suspected.
- Humans
Letters from the August 6, 2005, issue of Science News
Empty threat? “Empty Nets: Fisheries may be crippling themselves by targeting the big ones” (SN: 6/4/05, p. 360) reads as if there is something to be alarmed about. By selectively catching large fish, we have reduced “the mean size [of food fish to] one-fifth of what it was.” This is not cause for alarm. It […]
- Ecosystems
Where Tuna Go: Atlantic fish mix for feeding, not spawning
The largest high-tech tag study yet of Atlantic bluefin tuna suggests that two groups mix on feeding grounds but spawn on opposite sides of the ocean.
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This article reads as if there is something to be alarmed about. By selectively catching large fish, we have reduced “the mean size [of food fish to] one-fifth of what it was.” This is not cause for alarm. It is cause for a decision: What do we want, small fish or large fish? Humans are […]
- Ecosystems
Empty Nets
New research has begun challenging long-held assumptions about the consequences for fish stocks of harvesting the biggest fish first.
