Green Blog: Judge Assails 2 Scientists in Fish-vs.-Water Case

Drugs to treat anxiety in people may alter the behaviour of fish when the chemicals are flushed into rivers, according to scientists. Swedish researchers found that European perch exposed to tiny concentrations of a drug became less sociable, ate more and became more adventurous – all changes in behaviour that could have unexpected ecological impacts on fish populations.

NEW YORK (AP) — Scientists have decoded the DNA of a celebrated "living fossil" fish, gaining new insights into how today's mammals, amphibians, reptiles and birds evolved from a fish ancestor.

Worms are useful in the garden and great for fish bait, but one of their talents has remained hidden — until now. Scientists have discovered that worms can manufacture tiny semiconductors.  

More than 1,000 freshwater fish species are threatened with extinction, reflecting the strain on global water resources, an updated global "Red List" of endangered species showed Tuesday.The list by the International Union for Conservation of Nature (IUCN) is the most respected inventory of biodiversity covering more than 47,000 of the world's species.Scientists looked at 3,120 freshwater fish this year, 510 more than a year ago. They found that 1,147, or a third, are now threatened with extinction.

More than 1,000 freshwater fish species are threatened with extinction, reflecting the strain on global water resources, an updated global "Red List" of endangered species showed Tuesday.The list by the International Union for Conservation of Nature (IUCN) is the most respected inventory of biodiversity covering more than 47,000 of the world's species.Scientists looked at 3,120 freshwater fish this year, 510 more than a year ago. They found that 1,147, or a third, are now threatened with extinction.

More than 1,000 freshwater fish species are threatened with extinction, reflecting the strain on global water resources, an updated global "Red List" of endangered species showed Tuesday.The list by the International Union for Conservation of Nature (IUCN) is the most respected inventory of biodiversity covering more than 47,000 of the world's species.Scientists looked at 3,120 freshwater fish this year, 510 more than a year ago. They found that 1,147, or a third, are now threatened with extinction.