In the News
Nasca People Of Ancient Peru: Forest Clearances Sealed Civilization's
An ancient South American civilisation which disappeared around 1,500 years ago helped to cause its own demise by damaging the fragile ecosystem that held it in place, a study has found. Archaeologists examining the remains of the Nasca, who once flourished in the valleys of south coastal Peru, have uncovered a sequence of human-induced events which led to their "catastrophic" collapse around 500 AD. Genetic Background To Severe Urinary Tract Infections
If you sit on cold boulders or forget to wear your woollen pants, you can develop a urinary tract infection, or so the story goes. It turns out though, that these diseases are more complicated than this, and in some cases they have a genetic background. Scientists have found a gene that appears to lie behind many of the most severe urinary tract infections. Bloodless testing
Testing polymers for biocompatibility with blood just got easier thanks to a novel spectroscopic technique that does away with the need for blood samples in tests. Red-Color News Soldier: A Chinese Photographer's Odyssey Through the C
The black-and-white photographs in this traveling exhibit (2003-2005) of work by Li Zhensheng document Mao Zedong and the Cultural Revolution in China (1964-1976). Provides photo descriptions (mouse over images to view) and background information about the photographer and the project. In English and French. ... LII New This Week: June 2, 2005
Comb your way through a number of hairy sites, then browse Watergate, Wal-Mart, Deep Throat, Venus, Mao, mudslides, marijuana, beaches, Harper Lee, high-school journalism, and hilarious headdresses. In More New This Week, find yet more summertime goodies. Bon appetit from the LII team: librarian-editors Karen, Wendy, Jennifer, Maria, Pat, Tom, Charlotte, and our 100-and-change contributors. New Windows Media Player Shines
The 11th time's a charm for Microsoft. The company finally gets its digital jukebox mostly right. By Daniel Dumas. Learning How Materials Work In Space To Make Them Better On Earth
What's about the size of a large refrigerator, weighs a ton and may help pave the way for new and improved metals or glasses here on Earth? It's the Materials Science Research Rack -- a new laboratory on board the International Space Station. Astronomers Get Their Hands Dirty As They Lift The Veil On Galactic Du
There is more to a grain of dust than meets the eye, at least for astronomers as they attempt to probe deeper into distant galaxies. Until now dust has been a nuisance because it has obscured galaxies, and the stars within them, by absorbing the radiation they emit. But more recently dust has started to present opportunities because it emits radiation itself as a consequence of being heated up by nearby stars. Discovery May Lead To Precision Engineering Of Superconducting Thin Fi
Using precision techniques for making superconducting thin films layer-by-layer, physicists have identified a single layer responsible for one such material's ability to become superconducting, i.e., carry electrical current with no energy loss. The technique could be used to engineer ultrathin films with "tunable" superconductivity for higher-efficiency electronic devices. Adult Stem-Cell Study Faulty?
The promise of a less controversial stem-cell source may be fading. A scientific panel says a 2002 study finding adult stem cells might be as useful as embryonic ones was flawed. By Associated Press.
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