Greening of the Earth pushed way back in time
Conventional scientific wisdom has it that plants and other creatures have only lived on land for about 500 million years, and that landscapes of the early Earth were as barren as Mars.
Conventional scientific wisdom has it that plants and other creatures have only lived on land for about 500 million years, and that landscapes of the early Earth were as barren as Mars.
Archaeology
Jul 22, 2013
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DNA testing, environmental sampling and radiocarbon dating are some of the tests being undertaken to determine whether the skeleton found in Leicester was once Richard III - and there are also plans to do a facial reconstruction.
Archaeology
Nov 15, 2012
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In a new study reported in Nature, climate scientist Rob DeConto of the University of Massachusetts Amherst and colleagues elsewhere propose a simple new mechanism to explain the source of carbon that fed a series of extreme ...
Earth Sciences
Apr 4, 2012
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University of Utah scientists used chemical isotopes in ancient soil to measure prehistoric tree cover in effect, shade and found that grassy, tree-dotted savannas prevailed at most East African sites where ...
Plants & Animals
Aug 3, 2011
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(PhysOrg.com) -- A chemical analysis of the bones of ancient Nubians shows that they were regularly consuming tetracycline, most likely in their beer.
Analytical Chemistry
Aug 31, 2010
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The Congo Basin -- with its massive, lush tropical rain forest -- was far different 150 million to 200 million years ago. At that time Africa and South America were part of the single continent Gondwana. The Congo Basin was ...
Earth Sciences
Nov 10, 2009
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Fossil land snail shells found in ancient soils on the subtropical eastern Canary Islands show that the Spanish archipelago off the northwest coast of Africa has become progressively drier over the past 50,000 years.
Earth Sciences
Oct 27, 2009
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Among the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward bipedalism not on the open, grassy savanna, as ...
Archaeology
Oct 8, 2009
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