viernes 2 de marzo de 2007

Spiky oddball prowled ocean half billion years ago (Reuters)

   

A new fossil of the invertibrate Orthrozanclus reburrus from the famed Burgess Shale rock deposits dating back half a billion years in British Columbia, Canada is seen in this undated handout photo. Two striking features are the shell and the rim of prominent spines that probably served to protect this animal from attack. (handout/Science/Reuters)Reuters - A spectacularly quirky creature with long, curved spines protruding from its armored body prowled the ocean floor half a billion years ago near the dawn of complex life forms on Earth, scientists said.



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Saturn's rings filmed in splendor by Cassini spacecraft (AFP)

   

A view of Saturn taken by the Cassini spacecraft. Blue and gold Saturn floats obliquely in this 01 March 2007 NASA handout image as one of its gravity-bound companions, Dione, hangs in the distance.(AFP/NASA-HO/File)AFP - NASA on Friday released never-before-seen images of Saturn captured from above and below the planet's stunning rings by its Cassini spacecraft.



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Elsevier ScienceDirect downtime Sat Mar 3

   The publisher Elsevier reports that their reference encyclopedias and journals on ScienceDirect will be unavailable on Saturday, March 3, 2007 for approximately 9 hours starting at 3:30 AM Pacific time (11:30 GMT). During this time they will upgrade and reinstall...
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Bush to visit southern states hit by deadly tornados (AFP)

   

A map locating the areas worst affected by tornadoes. President George W. Bush, accused of reacting too slowly to the devastation left by Hurricane Katrina in 2005, will travel to the southern United States Saturday after a string of deadly tornadoes killed at least 20, the White House said.(AFP Graphic)AFP - President George W. Bush said Friday he would tour areas devastated by deadly tornadoes in the South as US and Canada reeled from a winter storm system that killed at least 22 people.



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Archaeologists discuss Blackbeard's ship (AP)

   AP - A shipwreck off the North Carolina coast believed to be that of notorious pirate Blackbeard could be fully excavated in three years, officials working on the project said Friday.
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Bush to visit states hit by deadly tornados (AFP)

   

US President George W. Bush hugs sisters Bromwynne (C) and Kim Bassier (L) as he tours the damage left in the wake of Hurricane Katrina in 2005 in Biloxi, Miss. Bush said Friday he would tour areas devastated by deadly tornadoes in the South as US and Canada reeled from a winter storm system that killed at least 22 people.(AFP/File/Jim Watson)AFP - President George W. Bush said Friday he would tour areas devastated by deadly tornadoes in the South as US and Canada reeled from a winter storm system that killed at least 22 people.



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Officials arrested for Amazon logging (AP)

   AP - Brazilian police arrested 18 people accused of allowing illegal logging in the Amazon rain forest and were searching for 19 others, including environmental protection agents, the environment minister said.
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Critics take aim at polar bear listing (AP)

   

Scott Schliebe, a biologist and polar bear project leader with the U.S. Fish and Wildlife Service, talks about polar bears during a hearing in Anchorage, Alaska, Thursday, March 1, 2007, where the service is taking testimony on a proposal to list polar bears as threatened under the Endangered Species Act. (AP Photo/Al Grillo)AP - A marked decline in sea ice off Alaska's coast is not enough to take the drastic step of listing polar bears — a species dependent on ice — as threatened, critics said Thursday at the first of three public hearings on the proposal.



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Ruins in Athens may be an ancient market (AP)

   

Building remains in southern Athens believed to be an ancient marketplace is seen in this undated handout picture provided by the Greek Culture Ministry on Friday, March 2, 2007. Archaeologists have discovered extensive remains of what is believed to be an ancient marketplace with shops and a religious center at the southern edge of Athens. The finds, in the coastal neighborhood of Voula, cover an area of 1,500 square meters (16,000 sq. feet) and date from the 4th or 5th century B.C. the Culture Ministry said Friday. (AP Photo/Greek Culture ministry)AP - Archaeologists have discovered extensive remains of what is believed to be an ancient marketplace with shops and a religious center at the southern edge of Athens, the Culture Ministry said Friday. The finds, in the coastal neighborhood of Voula, date from the 4th or 5th century B.C.



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USDA OKs plan to grow modified rice (AP)

   AP - The Department of Agriculture has granted preliminary approval for a large-scale plan to grow genetically altered rice in Kansas, prompting some critics to raise safety concerns.
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Science team to search Gulf of Mexico (AP)

   

The research vessel SSV Carolyn Chouest sits tied up at the pier Thursday, March 1, 2007 in Galveston, Texas. The ship will carry an expedition team and remotely operated vehicle and tow a nuclear-powered research submarine for a week-long examination of a protected underwater coral reef about 100 miles off the Texas coast that may contain evidence of prehistoric human settlements thousands of years ago when water levels were lower because of the Ice Age. (AP Photo/Pat Sullivan)AP - Famed undersea explorer Robert Ballard is leading a team of scientists heading into the Gulf of Mexico for a weeklong examination of Texas' ancient shoreline to see if anybody may have lived there.



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Quieting down (weather.com)

   weather.com -
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Ban wants U.S. to debate climate change (AP)

   

A parched pond is seen in Santiponce, southern Spain January 19, 2006. Governments are making scant progress toward extending a U.N. pact to fight global warming despite mounting public concern about climate change and U.N. warnings it poses a threat as great as war, experts say. (Marcelo del Pozo/Reuters)AP - Secretary-General Ban Ki-moon expressed hope Thursday that the "active debate" in the U.S. administration and Congress on global warming will spur the United States to take a leadership role in combatting climate change.



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Total eclipse of the moon comes Saturday (AP)

   AP - The moon will turn shades of amber and crimson Saturday night as it passes behind the Earth's shadow — the first total lunar eclipse in three years.
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Eclipse set to be 'best in years'

   Skywatchers eagerly awaiting Saturday's total lunar eclipse are hoping that the spectacle will be the "best in years".
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Total lunar eclipse expected Saturday (AP)

   AP - The moon will turn shades of amber and crimson Saturday night as it passes behind the Earth's shadow in the first total lunar eclipse in three years.
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Moon's volcanic plume spied

   A Nasa spacecraft sends back images of a huge dust plume erupting from a volcano on Jupiter's moon Io.
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Spacecraft return Sun panoramas

   Twin Nasa spacecraft capture panoramic images that will the study of solar explosions capable of causing havoc on Earth.
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Call for better seal protection

   Animal conservation groups call for new legislation to protect seals in Scottish waters.
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Addict brain 'designed for drugs'

   Differences in the brain may increase the chances a person will take drugs, scientists say.
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UN chief warns on climate change

   UN Secretary General Ban Ki-moon says global warming poses at least as big a threat to the world as war.
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