News tagged with food source
Much irrigation water comes from non-sustainable sources
Some of the water used worldwide for irrigation comes from renewable sources such as local precipitation, rivers, lakes, and renewable groundwater. But some comes from nonrenewable groundwater sources.
Jan 31, 2012 |
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Algae may be sustainable alternative for animal feed
The pigs and poultry in Professor Xingen Lei's lab have been consuming feed one wouldn't expect in Ithaca: marine algae.
Jan 19, 2012 |
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Worker ants paralyze and kill termites from afar
Worker ants from a particular species of African ants have potent venom that can paralyze and kill termites from a distance, according to a study published Dec. 14 in the online journal PLoS ONE.
Dec 14, 2011 |
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The disappearance of the elephant caused the rise of modern man 400,000 years ago
Elephants have long been known to be part of the Homo erectus diet. But the significance of this specific food source, in relation to both the survival of Homo erectus and the evolution of modern humans, has n ...
Other Sciences / Archaeology & Fossils
Dec 12, 2011 |
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World's smallest frogs discovered in New Guinea
Field work by researcher Fred Kraus from Bishop Museum, Honolulu has found the world's smallest frogs in southeastern New Guinea. This also makes them the world's smallest tetrapods (non-fish vertebrates). ...
Dec 12, 2011 |
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Is cannibalism in polar bears on the rise?
(PhysOrg.com) -- A series of photographs of cannibalism in polar bears have been released, and the researchers who witnessed the act think the rate of cannibalism may be increasing. They observed three instances ...
Dec 09, 2011 |
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The globe-trotting turkey: Genetic research promises to improve upon a multi-continent breeding effort
The great majority of today's domesticated turkeys may not be able to fly, but their ancestors sure got around. The quintessential New World bird, Meleagris gallopavo, was already an Old World favorite by ...
Nov 23, 2011 |
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Grizzly bears still need protecting, US court rules
Conservationists welcomed a US appeals court ruling that grizzly bears still need protecting, after federal authorities sought to have them taken off an endangered species list.
Nov 23, 2011 |
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Huskies lend insight into mercury risk
Researchers have highlighted the serious health risks associated with the diets of indigenous people by linking the accumulation of mercury in their primary food source to a decrease in the power of antioxidants.
Nov 20, 2011 |
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The buzz around beer
Ever wondered why flies are attracted to beer? Entomologists at the University of California, Riverside have, and offer an explanation. They report that flies sense glycerol, a sweet-tasting compound that ...
Nov 17, 2011 |
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Toward more cost-effective production of biofuels from plant lignocellulosic biomass
In 1925, Henry Ford observed that fuel is present in all vegetative matter that can be fermented and predicted that Americans would some day grow their own fuel. Last year, global biofuel production reached ...
Nov 16, 2011 |
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Switching senses: Biologists find that leeches shift the way they locate prey in adulthood
(PhysOrg.com) -- Many meat-eating animals have unique ways of hunting down a meal using their senses. To find a tasty treat, bats use echolocation, snakes rely on infrared vision, and owls take advantage of ...
Nov 01, 2011 |
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Australia's endangered bettong reveals how weather effects species distribution
Australian scientists studying the reliability of species distribution models for revealing the response of animals to climate change have focused their research on the endangered marsupial, the Northern Bettong. ...
Oct 06, 2011 |
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Study presents new insight into plant immunity
Researchers have identified an important cog in the molecular machinery of plant immunity - a discovery that could help crop breeders produce disease-resistant varieties to help ensure future food security. There may also ...
Oct 02, 2011 |
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Gene controlling flowering boosts energy production from sorghum
A sorghum hybrid that does not flower and accumulates as much as three times the amount of stem and leaf matter may help the bioenergy industry, according to a study appearing today in the Proceedings of th ...
Sep 27, 2011 |
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