News tagged with central balsas river
Researchers find the earliest evidence of domesticated maize
Other Sciences / Archaeology & Fossils
Mar 23, 2009 |
4.4 / 5 (7) |
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Maize was domesticated from its wild ancestor more than 8700 years according to biological evidence uncovered by researchers in the Mexico's Central Balsas River Valley. This is the earliest dated evidence ...
Search results for central balsas river
Scientists connect climate change, origins of agriculture in Mexico
Jun 01, 2007 |
4.6 / 5 (8) |
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New charcoal and plant microfossil evidence from Mexico’s Central Balsas valley links a pivotal cultural shift, crop domestication in the New World, to local and regional environmental history. Agriculture ...
Italy worried about summer drought
May 05, 2007 |
4.8 / 5 (4) |
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A state of emergency has been issued in central and northern Italy as the country braces for the possibility of a drought.
Dam removal increases property values
Apr 17, 2008 |
4 / 5 (1) |
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Two new studies appearing in Contemporary Economic Policy explore the impact of dam removal on local property values and find that property values increase after dams are removed.
NASA tech zooms in on water and land
Dec 15, 2009 |
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In a pilot project that could help better manage the planet's strained natural resources, space-age technologies are helping a Washington state community monitor its water availability. NASA satellites and ...
Cause of historic New Madrid quake found
Space & Earth / Earth Sciences
Mar 27, 2007 |
3.3 / 5 (10) |
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A Canadian-led study of major 1811-12 central U.S. earthquakes has identified a possible driving mechanism for intraplate seismicity.
Cause of historic New Madrid quake found
Space & Earth / Earth Sciences
Mar 22, 2007 |
4.2 / 5 (16) |
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A Canadian-led study of major 1811-12 central U.S. earthquakes has identified a possible driving mechanism for intraplate seismicity.
Feds vote to halt Calif. chinook salmon fishing
Apr 09, 2009 |
1 / 5 (1) |
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(AP) -- California's commercial chinook salmon fishing season will be called off again after a record low number of fish returned to spawn last year, federal fisheries managers announced Wednesday.
Conservation of freshwater fish biodiversity: a challenge for the countries of the South
Biology /
Mar 26, 2008 |
4.3 / 5 (3) |
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Humans have regularly been introducing exotic species into natural environments in order to provide for their nutritional necessities or meet less indispensable purposes such as horticulture, fishing or hunting. However, ...
Pollination habits of endangered Texas rice revealed to help preservation
Biology /
Jul 15, 2008 |
not rated yet |
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A type of wild rice that only grows in a small stretch of the San Marcos River is likely so rare because it plays the sexual reproduction game poorly, a study led by the Lady Bird Johnson Wildflower Center ...
Melting snow threatens spring flooding in north
Mar 19, 2009 |
3 / 5 (1) |
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(AP) -- The Red River of the North along the Minnesota-North Dakota border faces the nation's greatest threat of spring flooding, the government said in it's weather outlook Thursday.
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