News tagged with natural
Mom was right: Why nice guys usually get the girls
Nov 05, 2009 |
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(PhysOrg.com) -- Female water striders often reject their most persistent and aggressive suitors and prefer the males who aren't so grabby, according to new research. Water striders are insects commonly seen ...
Plentiful poinsettias without PGRs
Nov 04, 2009 |
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Poinsettias can be a lucrative crop for ornamental plant growers, particularly during the Christmas season. In the temperate regions of the southern hemisphere, where poinsettias are grown for both export ...
New evidence supports 19th century idea on formation of oil and gas
Chemistry / Analytical Chemistry
Nov 04, 2009 |
4 / 5 (2) |
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Scientists in Washington, D.C. are reporting laboratory evidence supporting the possibility that some of Earth's oil and natural gas may have formed in a way much different than the traditional process described ...
Over 1,000 fish species 'threatened with extinction'
Nov 03, 2009 |
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More than 1,000 freshwater fish species are threatened with extinction, reflecting the strain on global water resources, an updated global "Red List" of endangered species showed Tuesday.
Spider mite predators serve as biological control
Nov 02, 2009 |
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The control of spider mites, which damage tree leaves, reduce fruit quality and cost growers millions of dollars in the use of pesticide and oil spraying, is being biologically controlled in Pennsylvania apple ...
Colorado county copes with methane mystery
Nov 02, 2009 |
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(AP) -- Bernice and Jerry Angely like to show visitors the singed T-shirt a friend was wearing when their water well exploded and shot flames 30 feet high.
Genes drive behaviour, but culture can select genes: study
Oct 28, 2009 |
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Culture, not just genes, can drive evolutionary outcomes, according to a study released Wednesday that compares individualist and group-oriented societies across the globe.
A silo fire doesn't have to ruin all stored silage
Oct 27, 2009 |
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(PhysOrg.com) -- Sometimes, when harvest conditions are less than ideal, silage with lower-than-optimum moisture levels is put into a silo, potentially leading to excessive heating and a spontaneous-combustion ...
Scientist shines laser light on methane in pursuit of clean fuel
Chemistry / Analytical Chemistry
Oct 22, 2009 |
5 / 5 (2) |
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An abundant greenhouse gas could someday help clean up the earth. Converting methane to liquid methanol could produce clean, low-cost fuel and prevent the potent greenhouse gas from entering the atmosphere. Exploiting methane ...
New artificial enzyme safer for nature
Oct 22, 2009 |
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Perilous and polluting industrial processes can be made safer with enzymes. But only a short range of enzymes have been available for the chemical industry.
Biochemical 'On-Switch' Could Solve Protein Purification Challenge
Oct 20, 2009 |
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(PhysOrg.com) -- Drugs based on engineered proteins represent a new frontier for pharmaceutical makers. Even after they discover a protein that may form the basis of the next wonder drug, however, they have ...
Diverting Sediment-rich Water Below New Orleans Could Lead to Extensive New Land
Oct 20, 2009 |
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(PhysOrg.com) -- Diverting sediment-rich water from the Mississippi River below New Orleans could generate new land in the river's delta in the next century.
Are humans still evolving? Absolutely, says new analysis of long-term survey of human health
Oct 19, 2009 |
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Although advances in medical care have improved standards of living over time, humans aren't entirely sheltered from the forces of natural selection, a new study shows.
Tsunami evacuation buildings: another way to save lives in the Pacific Northwest
Space & Earth / Earth Sciences
Oct 19, 2009 |
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Some time soon, a powerful earthquake will trigger a massive tsunami that will flood the Pacific Northwest, destroying homes and threatening the lives of tens of thousands of people, says Yumei Wang, a geotechnical ...
Time in a bottle: Scientists watch evolution unfold
Oct 18, 2009 |
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A 21-year Michigan State University experiment that distills the essence of evolution in laboratory flasks not only demonstrates natural selection at work, but could lead to biotechnology and medical research ...
