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Geotimes
June 2006
Erika Engelhaupt |
Warming Opened Americas to Humans About 18,000 years ago the comparatively luxuriant Americas beckoned to hunter-gatherers in eastern Asia by way of present-day Alaska, with warmer climes and plenty of fish and game, say geoarchaeologists.   |
Geotimes
February 2007
Katherine Unger |
Climate to Blame in Cultural Collapses The Anasazi people in the Four Corners region of the American Southwest disappeared suddenly, possibly due to climate change that made food and water sources scarce. Researchers are now linking several past periods of climate change with failed civilizations. |
Geotimes
September 2007
Erin Wayman |
Ancient Humans Dodged Super-Eruption? The Toba volcanic eruption 74,000 years ago -- much more destructive than the Mount St. Helens eruption -- may have drastically altered Earth's climate. New research suggests humans were flexible enough to survive these changes. |
Geotimes
November 2005
Megan Sever |
Neanderthal Neighbors New research on Neanderthal and human artifacts excavated from a French cave is indicating that the two groups lived here in successive generations, supporting the idea that Neanderthals and humans coexisted |
Geotimes
September 2005
Megan Sever |
Footprints Push Back American Migration A newly found set of human footprints in Mexico is suggesting that people were in the Americas much earlier than previously thought -- 30,000 years earlier. |
Geotimes
February 2004
Megan Sever |
Geoarchaeology: The Past Comes to Light Geological stories are inseparable from the human ones. The sea level can rise causing populations to migrate. A volcano can erupt and wipe out a civilization. Climate can alter the soil and shift the course of a culture. As the natural world changes, so too does society. |
Geotimes
January 2006
Megan Sever |
Old "Footprints" Stomped Out? A dating debate over prints found in the Valsequillo Basin in southern Mexico leaves open one of the biggest questions in American archaeology -- when people first colonized the Americas. |
Geotimes
November 2007
Erin Wayman |
Sudden Climate Change Not Neanderthals' Downfall New research suggests abrupt climate change is not to blame for the extinction of Neanderthals. Instead, competition from modern humans probably played a large role. |
Geotimes
September 2004
Megan Sever |
A Mistaken Link in Human History Reevaluating old dates of sites is quite valuable and is an exciting trend in paleoanthropology right now. |
Smithsonian
February 2005
Lawrence M. Small |
From the Secretary - Our Adaptable Ancestors Recent discoveries of skull fragments and tools testify to the resourcefulness of early humans. |
Chemistry World
June 14, 2012
Laura Howes |
Uranium dating fingers Neanderthals as artists Researchers used U-Th ratios to date calcite deposits that overlaid the Paleolithic artwork to calculate a minimum age of the cave paintings. |
Chemistry World
November 2007
Simon Hadlington |
Solving an Ancient Puzzle Analytical chemistry is revolutionizing archaeological study - as well as igniting some controversy |
