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Geotimes June 2005 Naomi Lubick |
Egg-Laying Dinosaurs Because of their three-pronged grasping claw configurations, oviraptors were named "egg thieves," but the dinosaurs' reputation has in recent years shifted from egg-stealing to egg-laying. And a new fossil from China illustrates this. |
Geotimes June 2005 Sara Pratt |
Mammals Not Out of Africa New fossil finds are challenging the idea that six disparate orders of African mammals all evolved from a single common ancestor isolated on the continent of Africa by the breakup of Gondwana about 100 million years ago. |
Geotimes May 2005 Laura Stafford |
Style Over Function for Stegosaur Spikes According to new research, the bony growths on the back and tail of Jurassic Stegosaurus were actually meant for species recognition -- so that one Stegosaurus could pick his friends out of a crowd. |
Scientific American May 16, 2005 Barry E. DiGregorio |
Doubts on Dinosaurs Yucatan impact crater may have occurred before the dinosaurs went extinct. |
Science News May 7, 2005 |
Cuneiform Tablets This Web exhibit displays 38 ancient clay tablets and other artifacts that feature the ancient form of writing known as cuneiform. |
Geotimes May 2005 Megan Sever |
Inside the "Hobbit's" Head After studying the miniature hominid's skull and models of its brain, paleoanthropologists have determined that the Indonesian find is indeed a new species, not a Homo sapiens with a brain abnormality. |
Geotimes April 2005 Laura Stafford |
New Evidence for the Earliest Hominid Scientists say they have new evidence confirming that Toumai, a skull found in the deserts of Central Africa, is a new hominid species -- the oldest known to date. |
Reason April 2005 Steven Vincent |
Ancient Treasures for Sale Do antique dealers preserve the past or steal it? Such is the allure of ancient treasures that, since the 1970s, this relationship has spawned global treaties, inflamed Third World nationalism, created a secretive Washington bureaucracy, and triggered federal prosecutions. |
Geotimes April 2005 Naomi Lubick |
Tsunami Reveals Ancient Ruins The waves' receding force, which scoured away sediment, uncovered relics of what is believed to be an ancient port city and portions of a temple, including an eroded monument of a lion's head and carvings of elephants and soldiers. |
Geotimes April 2005 |
Redating the Earliest Humans Now 40 years later, researchers have pushed back the ages of Homo sapiens uncovered in the Omo Valley of Ethiopia to 195,000 years ago from the original date of 130,000. |
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