Yahoo! News: Science News

Shuttle, astronauts prep for mid-mission reboost (AP)
AP - Astronauts at the international space station prepared to work on a urine-recycling contraption and re-fire the space shuttle's thrusters Friday, before enjoying a half-day off to reboost their own energy.
Scientists say Copernicus' remains, grave found (AP)
AP - Researchers said Thursday they have identified the remains of Nicolaus Copernicus by comparing DNA from a skeleton and hair retrieved from one of the 16th-century astronomer's books. The findings could put an end to centuries of speculation about the exact resting spot of Copernicus, a priest and astronomer whose theories identified the Sun, not the Earth, as the center of the universe.
Urban growers go high-tech to feed city dwellers (AP)
AP - Terry Fujimoto sees the future of agriculture in the exposed roots of the leafy greens he and his students grow in thin streams of water at a campus greenhouse.
Study shows messiness leads to behavior decline (AP) AP - Does a messy neighborhood make a difference on how people act? It sure does! Graffiti on the walls, trash in the street, bicycles chained to a fence, all resulted in a decline in how people behaved in a series of experiments.
Scientists Team Up with Hollywood (LiveScience.com) LiveScience.com - When the worlds of science and Hollywood collide, the results often highlight the differences between the two realms instead of celebrating their similarities. The National Academy of Sciences is trying to change that with a new initiative called, "The Science and Entertainment Exchange."
Weather around the U.S.A. (AP) AP - Weather around the U.S.A.
Astronauts finish second spacewalk outside station (Reuters)
Reuters - Shuttle Endeavour astronauts working outside the orbiting International Space Station faced glitches during a second spacewalk on Thursday, as one astronaut experienced high carbon-dioxide levels after his crew mate lost a tool bag on the mission's first spacewalk.
Dems look to stop endangered species rule changes (AP)
AP - With the Bush administration on the verge of relaxing regulations protecting endangered species, Democratic leaders are looking at ways to overturn any last-minute rule changes.
Mammoth task: Scientists map DNA of ancient beast (AP)
AP - Bringing "Jurassic Park" one step closer to reality, scientists have deciphered much of the genetic code of the woolly mammoth, a feat they say could allow them to recreate the shaggy, prehistoric beast in as little as a decade or two.
Central bankers wary of deflation (Reuters)
Reuters - Euro zone demand is plunging and price pressures vanishing, business surveys showed on Friday, while central bankers weighed the bleak prospect of deflation.