8,274 results
8,274 results for: Fish
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- Humans
Rising seas made China’s ancient mariners
Ancient environmental changes produced a maritime culture that colonized Taiwan 5,000 years ago, archaeologists contend.
- Health & Medicine
Gut microbes may foster heart disease
In breaking down a common dietary fat, helpful bacteria initiate production of an artery-hardening compound, mouse experiments suggest.
- Animals
Hatch a Thief: Brains incline birds toward a life of crime
When it comes to a bird family's propensity to pilfer, a larger than usual brain for a particular body size is more important than body size alone.
- Humans
Fishing curbs can lead to profit
New economic models suggest that fishing crews that cut back long enough to let stocks rebound will find compensation in higher profits later.
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Reading the Repeats: Cells transcribe telomere DNA
Scientists have discovered that human cells make RNA transcripts of telomeres, the repetitive DNA at the ends of chromosomes, a finding that could have implications for understanding aging and cancer.
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Seeing Again: Blind fish parents have fry that see
Cross two strains of blind cavefish that have lived in the dark for a million years, and some of their offspring will be able to see.
- Materials Science
Fishy flash
Fish alter the growth of crystals in their skin, making it supershiny.
- Ecosystems
Spread of nonnative fish mirrors human commerce
Invasions of foreign freshwater fish are more common in areas with relatively high economic activity, suggesting that humans are a part of the problem.
- Humans
Heed your elders, survive a tsunami
An oral tradition passed down among islanders in the South Pacific saved many lives during a tsunami last year and illustrates the benefits that community-based education and awareness programs can provide.
- Physics
Birds network too
Starlings in a flock adjust their trajectories to those of their closest neighbors, which helps the flock stay together when under attack.
- Earth
Defining Toxic: Federal agencies look to cells, not animals, for chemical testing
Government scientists are collaborating to shift the testing of potentially toxic chemicals away from animals to methods that use high-speed automated robots, which should generate data relevant to humans faster and more cheaply than current methods.
