News tagged with ancient soil
Thawing permafrost 50 million years ago led to extreme global warming events
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 ...
Space & Earth / Earth Sciences
Apr 04, 2012 |
4.3 / 5 (28) |
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6 million years of savanna
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 ...
Aug 03, 2011 |
4.2 / 5 (5) |
1
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Ancient brew masters tapped drug secrets
(PhysOrg.com) -- A chemical analysis of the bones of ancient Nubians shows that they were regularly consuming tetracycline, most likely in their beer.
Chemistry / Analytical Chemistry
Aug 31, 2010 |
5 / 5 (13) |
1
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Central Africa's tropical Congo Basin was arid, treeless in Late Jurassic
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 ...
Space & Earth / Earth Sciences
Nov 10, 2009 |
3.5 / 5 (4) |
0
Snail fossils suggest semiarid eastern Canary Islands were wetter 50,000 years ago
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.
Space & Earth / Earth Sciences
Oct 27, 2009 |
2.5 / 5 (2) |
0
Early hominid first walked on two legs in the woods
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 ...
Other Sciences / Archaeology & Fossils
Oct 08, 2009 |
4.8 / 5 (12) |
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