News tagged with wild
Cattle parasite found throughout Australia, study finds
A parasite linked to dogs and responsible for an estimated $30 million loss to the national cattle industry each year is present throughout Australia, a University of Sydney study has revealed.
May 30, 2012 |
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Time is ticking for some crop's wild relatives
A botanist brings a species of alfalfa from Siberia, to the United States. His hope? The plant survives, and leads to a new winter-hardy alfalfa. But what also happened during this time in the late 1800's, isn't just a story ...
May 30, 2012 |
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Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers
Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...
May 23, 2012 |
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Evolution at warp speed: Hatcheries change salmon genetics after a single generation
The impact of hatcheries on salmon is so profound that in just one generation traits are selected that allow fish to survive and prosper in the hatchery environment, at the cost of their ability to thrive ...
Dec 19, 2011 |
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Study solves mystery of horse domestication
New research indicates that domestic horses originated in the steppes of modern-day Ukraine, southwest Russia and west Kazakhstan, mixing with local wild stocks as they spread throughout Europe and Asia. The research was ...
May 07, 2012 |
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Rice's origins point to China, genome researchers conclude
(PhysOrg.com) -- Rice originated in China, a team of genome researchers has concluded in a study tracing back thousands of years of evolutionary history through large-scale gene re-sequencing. Their findings, ...
May 02, 2011 |
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Sharing landscapes with wildlife may be unrealistic
(Phys.org) -- Expecting wild animals to thrive in increasingly fragmented habitats alongside a growing human population may be unrealistic, say scientists.
May 03, 2012 |
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Tracking endangered elephants with satellite technology
A hundred years ago wild elephants on the Malay Peninsular could be counted in their thousands — now there are less than 1500. Over the last century around 50 per cent of forest cover in Peninsular Malaysia ...
May 23, 2012 |
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Predatory fish have large guts to help them through famine
(PhysOrg.com) -- A new study by scientists in the US has solved the mystery of why predatory fish have a far greater digestive capacity than they actually need. The study suggests the reason is that the extra-large ...
Jul 08, 2011 |
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Honeybee deaths linked to seed insecticide exposure
Honeybee populations have been in serious decline for years, and Purdue University scientists may have identified one of the factors that cause bee deaths around agricultural fields.
Jan 12, 2012 |
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Growing risks from hatchery fish
A newly published collection of more than 20 studies by leading university scientists and government fishery researchers in Alaska, British Columbia, Washington, Oregon, California, Russia and Japan provides ...
May 14, 2012 |
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First discovery of life's building block in comet made
(PhysOrg.com) -- NASA scientists have discovered glycine, a fundamental building block of life, in samples of comet Wild 2 returned by NASA's Stardust spacecraft.
Space & Earth / Space Exploration
Aug 17, 2009 |
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Bees 'self-medicate' when infected with some pathogens
Research from North Carolina State University shows that honey bees "self-medicate" when their colony is infected with a harmful fungus, bringing in increased amounts of antifungal plant resins to ward off ...
Mar 30, 2012 |
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Stardust spacecraft may have found cosmic dust
(PhysOrg.com) -- The first specks of interstellar dust may have been found by NASA's Stardust spacecraft during its seven-year-long voyage. Interstellar dust is believed to form from gas ejected from stars, ...
Space & Earth / Space Exploration
Mar 08, 2010 |
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Fasting for Lent forces hyenas to change diet
Many Christians give up certain foods for Lent, however ecologists have discovered these changes in human diet have a dramatic impact on the diet of wild animals. In Ethiopia, members of the Orthodox Tewahedo Church stop ...
Apr 04, 2012 |
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