8,279 results
8,279 results for: Fish
- Life
Some animals eat their moms, and other cannibalism facts
A new book surveys those who eat their own kind, revealing some surprises about who’s eating whom.
- Animals
The Ice Age was harsh on orcas
Killer whale DNA shows that climate change resulted in declines for most populations.
- Animals
Why was Marius, the euthanized giraffe, ever born?
The problem of ‘surplus’ zoo animals reveals a divide on animal contraceptives.
- Animals
Gray seals snack on harbor porpoises
Photo evidence confirms seals' fatal attacks on harbor porpoises in the English Channel, suggesting that declines in the seals' usual fare are forcing the animals to seek out other high-energy food.
- Animals
Fungi threaten sea turtle nests
The pathogens can kill up to 90 percent of eggs in a single nest.
- 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
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.
- Animals
Alive and Knocking: Glimpses of an ivory-billed legend
New observations confirm that the famed ivory-billed woodpecker has not gone extinct after all.
- Earth
Nanowaste: Predicting the environmental fate of buckyballs
The potentially harmful effects of buckyballs in aquatic environments could vary depending on the chemistry of the water.
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Mapping Aroma: Smells light up distinct brain parts
The sense of smell may have its own brain atlas.
- 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.
- Tech
Sensor measures mass of one DNA molecule
A new biosensor that can detect the mass of a single DNA molecule could lead to faster and more accurate screening for HIV infection, cancer, and other diseases.
