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Ancient underwater volcano discovered in Hawaii

2014-05-20 08:27:53| Airlines - Topix.net

Scientists in Hawaii say they have discovered an ancient underwater volcano, now dormant, that once extended 3,000 feet above sea level and is believed to have helped form the island of Oahu.

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Ancient Landscape Is Found Under 2 Miles Of Ice In Greenland

2014-04-19 18:01:00| Climate Ark Climate Change & Global Warming Newsfeed

National Public Radio: In a surprising discovery, scientists have found evidence of a tundra landscape in Greenland that's millions of years old. The revelation goes against widely held ideas about how some glaciers work, and it suggests that at least parts of Greenland's ice sheet had survived periods of global warming intact. "Glaciers are commonly thought to work like a belt sander," a news release from the University of Vermont says. "As they move over the land they scrape off everything - vegetation, soil, and...

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Oxygen Analysis in Ancient Plankton Fossils Offers New Clues about Ice Ages

2014-04-17 22:01:00| Climate Ark Climate Change & Global Warming Newsfeed

Nature World: A new method of establishing deep-sea and surface temperatures across the last 5 million years provides "crucial" information about how the ice ages came about, according to scientists. The study, published in the journal Nature, offers the first evidence that long-term trends in cooling and continental ice-volume cycles were not the same, while also providing new information on climate relationships that led to the development of ice ages over the last 2 million years. "In fact, for temperature...

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Bioarchaeologists link climate instability to human mobility in ancient Sahara

2014-04-16 09:00:00| Climate Ark Climate Change & Global Warming Newsfeed

ScienceDaily: Over millennia, the Sahara has gone through cycles of greening and aridity. During times when this region was lush and covered with bodies of water, it supported a wide variety of life, including human. Arizona State University bioarchaeologists Christopher Stojanowski and Kelly Knudson are studying the remains of some of these ancient humans to understand how their changing climate affected their ability and need to move across the landscape. Stojanowski and Knudson's research site is located...

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Kansas City Shooting Is Hate of an Ancient Vintage

2014-04-14 06:10:54| Telecom - Topix.net

At a press conference four hours after three people were killed in shootings at two Jewish facilities near Kansas City, Mo., authorities cautiously noted that they did not yet know the motive.

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