News tagged with cactus
Magnetic Cactus Experimentally Demonstrates Mathematical Plant Patterns
May 20, 2009 |
4.8 / 5 (20) |
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(PhysOrg.com) -- One of humanity’s earliest mathematical inquiries might have involved the geometric patterns in plants. The arrangement of leaves on a branch, seeds in a sunflower, and spines on a cactus ...
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Arizona cactus is threatened
Biology /
Jul 11, 2006 |
2.3 / 5 (4) |
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More than 170 new homes are built in the Phoenix and Tucson areas each day and reportedly means many cactus species are being threatened.
How Did Cactuses Evolve
Biology /
May 15, 2006 |
4.1 / 5 (17) |
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In a groundbreaking new study in the June issue of American Naturalist, Erika J. Edwards (Yale University and University of California, Santa Barbara) and Michael J. Donoghue (Yale University) explore how leafy, ...
Which came first, the moth or the cactus?
Biology /
Aug 13, 2007 |
3.3 / 5 (3) |
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It's not a good idea to put all your eggs in one basket… unless you're a senita moth.
Malaria immunity trigger found for multiple mosquito species
Mar 13, 2009 |
not rated yet |
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(PhysOrg.com) -- Researchers at the Johns Hopkins Bloomberg School of Public Health have for the first time identified a molecular pathway that triggers an immune response in multiple mosquito species capable of stopping ...
Insect release proposed to control exotic strawberry guava
May 22, 2008 |
4.8 / 5 (4) |
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U.S. Forest Service scientists with the Institute of Pacific Islands Forestry have submitted a proposal to release a Brazilian insect to control the spread of strawberry guava, a South American tree that has invaded and degraded ...
Rubbish heaps helped crops evolve
Biology /
Aug 20, 2007 |
3.5 / 5 (4) |
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Rubbish heaps and backyard gardens helped early farmers domesticate crop plants, according to Oxford University scientists. Their research confirms that seeds and fruits gathered in the wild and then discarded ...
Diabetics on high-fiber diets might need extra calcium
Mar 24, 2009 |
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The amount of calcium your body absorbs might depend, in part, on the amount of dietary fiber you consume.
US Solar Decathlon seeks best sun-powered homes
Oct 08, 2009 |
1 / 5 (1) |
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For the past week on the National Mall in Washington, international crews have been busy putting up structures for an event showcasing a radiant source of energy that some once revered as a god.
Studying Genes of Desert Fruit Flies
Biology /
Jun 19, 2007 |
2.7 / 5 (3) |
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Researchers at the University of Arkansas and University of Nevada-Las Vegas will study the genetics of fruit flies in desert habitats to determine how they developed the ability to survive under stressful ...
Researchers Discover the 'Big Sperm Paradox'
Biology /
Jun 08, 2006 |
4.2 / 5 (48) |
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Syracuse University Ph.D. student Adam Bjork is a man on a mission: to unlock the mysteries of cryptic female choice. He’s not studying psychology or trying to get a date—he’s a student of biology in SU’s College ...
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