Science News Archive - January 27, 2005

Experiments on moss grown aboard two space shuttle Columbia missions showed that the plants didn't behave as scientists expected them to in the near-absence of gravity.

Nine chlorine plants in the nation pour at least eight tons of mercury into the environment each year - a situation that demands federal action to force companies to convert to cleaner technology, activists said Wednesday.

Global warming may be twice as bad as expected, according to a new assessment of a commonly-used yardstick of possible carbon dioxide (CO2) pollution.

A key process that enhances the production of nuclear energy in the interior of dense stars has been re-created in the laboratory for the first time by physicists at the National Institute of Standards and Technology (NIST).