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Geotimes May 2007 Margaret Putney |
Peru's Ancient Solar Observatory A line of 2,300-year-old stone towers north of Lima, Peru, known as the Thirteen Towers of Chankillo form what a team of archaeologists is saying is the oldest solar observatory in the Americas. |
Geotimes May 2007 Kathryn Hansen |
Birds Evolve Small Genomes Pre-Flight The holes in fossil dinosaur bones are pointing out the holes in the theories of bird evolution. |
Smithsonian May 2007 |
Wild Things: Life as We Know It Southeast Asian snakes have more teeth on the right side to help manage their prey of choice: snails... Spider monkey hugs keep the peace... Fossilized jaw of child shows prolonged life... Chickadee alarms... |
Smithsonian May 2007 Eric Jaffe |
Return of the Sun Cult In Peru, scientists discover the oldest solar observatory in the Americas |
Smithsonian May 2007 Anne Bolen |
The New World's Oldest Calendar Research at a 4,200-year-old temple in Peru yields clues to an ancient people who may have clocked the heavens |
Geotimes April 2007 Kathryn Hansen |
T. Rex Tissue Yields Genetically Revealing Proteins The family tree of an infamous dinosaur is coming to life before researchers' eyes. Scientists say they extracted protein from a 68-million-year-old Tyrannosaurus rex leg bone that supports a genetic link between dinosaurs and birds. |
Chemistry World April 12, 2007 Lewis Brindley |
Preserved T. Rex Proteins Assist Evolution Studies Palaeontologists and biochemists have joined forces to identify proteins from a 68-million-year-old T. Rex, showing that organic matter containing biological information can be preserved for enormous lengths of time under the right conditions. |
Chemistry World April 4, 2007 Richard Van Noorden |
Joan of Arc 'relics' myth debunked Supposed relics of St Joan of Arc - the French heroine burned at the stake in 1431 - are forgeries, French forensic scientists have revealed. |
Geotimes April 2007 Katherine Unger |
Two Continents, One Conclusion A sharp change in climate tens of millions of years ago was global, not regional as previously thought, according to two new studies. That could have implications for global climate change in the modern world, researchers say. |
Smithsonian April 2007 Andrew Lawler |
Raising Alexandria More than 2,000 years after Alexander the Great founded the city, archaeologists are discovering its fabled remains, from the likely site of Cleopatra's palace to pieces of an astonishing lighthouse that was one of the Seven Wonders of the World. |
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