Science News Archive - March 19, 2008
Researchers at North Dakotaâ€™s state museum are scrupulously chipping away at a giant greenish-black 65-million-year-old rock, using tiny brushes and chisels to uncover a nearly complete dinosaur fossil, with skin and all.
Many sea lions frequenting their usual springtime spot at Bonneville Dam may be in danger of being put to death by federal authorities.
The New Zealand government issued fresh calls Wednesday for the banning of certain types of trawler nets, following the deaths last December of 22 dolphins that were killed in the nets.
Biologists say a small stubby-nosed porpoise found only in Mexico's Sea of Cortez is on the verge of extinction, as the number killed in fishing nets each year exceeds the number being born.
A leading Democrat yesterday asked the EPA's top official to explain why the agency has proposed to exempt corporate pig and poultry farms from air pollution reporting rules.
Japanese households and businesses could end up paying more than $500 billion to cut greenhouse gas emissions by 11 percent over the next decade, the trade and industry ministry said Wednesday.
Scientists know that air pollution particles from mid-latitude cities migrate to the Arctic and form an ugly haze, but a new University of Utah study finds surprising evidence that polar explorers saw the same phenomenon as early as 1870.
The song of passerine birds is a conspicuous and exaggerated display shaped by sexual selection in the context of male-male competition or mate attraction. At the level of the individual, song is considered an indicator of male â€˜qualityâ€™.
A tiny and impoverished Alaskan village of Inupiat Eskimos located in the Arctic Circle, Kivalina, filed a lawsuit March 4 against industrial corporations that emit large quantities of greenhouse gases.
While rabbits continue to ravage Australiaâ€™s native landscapes, rabbitfish may help save large areas of the Great Barrier Reef from destruction. The reason, say scientists, is the same in both cases.
- The prevailing range of a vocal or instrumental part, within which most of the tones lie.