Science News Archive - December 16, 2005

Santa Claus may have to swap his sleigh for waterwings sooner than expected as global warming melts his Arctic home, environmental group WWF said on Friday.

Air regulators in the San Joaquin Valley on Thursday approved the nation's first air quality controls on wineries in an effort to clamp down on smog-forming chemicals that drift into the atmosphere during fermentation.

A South Korean scientist whose work is under intense scrutiny hit back at his accusers on Friday, saying he had proof his team had made patient-tailored stem cells this year and he would produce the evidence soon.

Three environmental groups are suing the U.S. government to force consideration of whether polar bears are a threatened species, saying rising global temperatures threaten to kill off the Arctic predators.

By Peggy Lim, The News & Observer, Raleigh, N.C. Dec. 16--SELMA -- Michael Headrick's temporary office in Selma has no sign or mailbox yet. But already resumes, some slipped under the front door, have started piling up.


An excavation project on the Syrian-Iraqi border has uncovered an ancient settlement wiped out by invaders 5,500 years ago.

Word of the Day
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.