8,244 results
8,244 results for: Fish
- Animals
Flex That Bill: Hummingbirds’ surprising insect-catching style
High-speed videos of hummingbirds catching insects reveal that their lower bills are unexpectedly flexible.
- Animals
Fish That Decorate: Females prefer nests with pizzazz
If scientists give foil strips to male stickleback fish, the fellows carry them back to their nests for decoration, and it turns out that females seem to like guys with lots of shiny stuff.
- Ecosystems
Shark Serengeti: Ocean predators have diversity hot spots
The first search for oceanic spots of exceptional diversity in predators has turned up marine versions of the teeming Serengeti plains.
- Earth
Slowing Puberty? Pesticide may hinder development in boys
Long-term exposure to the pesticide endosulfan may delay the onset of puberty in boys.
- Health & Medicine
Do Arctic diets protect prostates?
Marine diets appear to explain why the incidence of prostate cancer among Inuit men is lower than that of males anywhere else in the world.
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- Ecosystems
One-Celled Socialites
A wave of research on the social lives of bacteria offers insights into the evolution of cooperation and may lead to medical breakthroughs that neutralize virulent bacterial strains.
- Agriculture
Carnivorous fish nibble at farming gain
Fish farming may ease pressure on wild stocks overall, but for certain species, farms mean a net loss of fish.
- Animals
Jungle Genes: First bird genome is decoded
Researchers have unveiled a draft of the first bird genome to be sequenced, a vintage chicken.
- Health & Medicine
Stroke protection: A little fish helps
As little as one serving of fish per month offers protection against the most common form of stroke.
- Earth
When testosterone gets down and dirty
Testosterone excreted by livestock can pass through soils, which may explain new findings of fish-altering hormonal activity in water downstream of cattle feedlots.
- Animals
Secret Signal: Fish allurement that predators don’t see
In a rare demonstration of secret messaging in animals, a swordtail fish uses ultraviolet courtship signals that are invisible to a predator.
