Tag: "food" at biology news
Rare, tiny find in West Australian waters
...ood to live from depths of 100 to 5000 metres. Its food
range extends from ocean algae to tiny shellfish. It consumes prey in the same manner as a spider, remineralising part of the 'ocean snow' and helping to sustain other small forms of marine life. Ms Paterson has searched the scientific literature and...
Evidence for fat hormone target in brain
...s and to signal brain cells to reduce appetite and food
intake and increase energy expenditures. Although researchers had produced indirect evidence that leptin affects the activity of particular neurons called POMC neurons in the brain, there had been no direct evidence of such an effect. The POMC neuron...
Common chemicals morphing into potential toxins in Arctic
...going chemical reactions before building up in the food
chain, says a new study from the University of Tor...ppear to be an issue that's going to affect Arctic food
webs and Arctic people who depend on them. We don't know toxicologically how much of these chemicals...
NASA scientists get global fix on food, wood & fiber use
...we can maintain the highest possible production of food
and fiber while still preserving our biological assets in the face of global change," Imhoff said. By understanding patterns of consumption, and how the planetary supply of plant life relates to the demand for it, these results may enable bet...
Tips from the journals of the American Society for Microbiology
...eduction of the number of contaminated eggs in the food
supply." (F.V. Immerseel, J. De Buck, F. Boyen, L. Bohez, F. Pasmans, J. Volf, M. Sevcik, I. Rychlik, F. Haesebrouck, R. Ducatelle. 2004. Medium-chain fatty acids decrease colonization and invasion through hilA suppression shortly after in...
Plant pathologists to discuss the future of organic farming
...growing segments of U.S. agriculture, with organic food
sales reaching $9.3 billion in 2002. To ensure con...blished growing procedures. Standards for organic food
were implemented in 2002 and include the creation of National Organic Program Standards, which requi...
Next best thing: wood chip bedding for cattle
...tion for economic growth, maintain security of the food
system, and protect overall health of the environment as part of Canada's Agricultural Policy Framework, a recently adopted government agriculture program. In this study, project leader Xiying Hao and her colleagues Chi Chang and Frank Larn...
Flies may taste bitter better, first map of insect 'tongue' reveals
...taste-processing centers in response to particular food
items or other chemicals. The unique coding of the...er tastes -- generally associated with unpalatable food
or toxins -- might allow them to select the best food
item among multiple suboptimal choices, Amrein...
NASA data shows hurricanes help plants bloom in 'ocean deserts'
...ocean are like deserts, because there isn't enough food
for many plants to grow. A hurricane's high winds ...upper ocean. Phytoplankton is at the bottom of the food
chain. The factors that influence their growth also directly affect the animals and organisms that f...
New multidisciplinary research tops chemists' meeting Aug. 22-26
...Conventional Food?" chemists will put the organic food
trend under a microscope. Organic food
producers claim their products are healthier than conventional foods, but are consumers buying a mis...
Salmonella infects cells and saves itself by altering host membrane lipids
...degradation. Salmonella, the bacterium that causes food
poisoning and typhoid fever, can do that. ...em. "While this research is not a cure for food
poisoning or typhoid fever, our work is revealing a fundamental mechanism by which these bacteria ca...
Espionage may have driven the evolution of bee language according to UCSD-led study in Brazil
...es left by other bee species to guide their kin to food
provides evidence that eavesdropping may be an evo...he hive, using a form of animal language to encode food
location. Bees can use two main forms of communication to tell their hive mates where to find food: ...
Monkey business: Studies show tiny callimicos have unusual characteristics
...e only tropical primate species to subsist on this food
source for part of the year. They also have a dif... Groups engage in cooperative infant care, sharing food
and carrying infants on their back. Porter said fruit and, to a lesser degree, grasshoppers are cal...
Study probes ecosystem of tree holes
...ee hole is lack of water. Resources equate to the food
supply, and predation among the three basic organisms protozoans, rotifers and mosquito larvae is rampant, and varies depending on resources and disturbance. "Predators, resources, and disturbances are the most common factors that affect c...
'Rolling Store' provides model for overcoming barriers to healthy foods and better health outcomes
...this area relies heavily on convenience stores for food
purchases. Researchers at the Pennington...o examine the impact of the availability of better food
choices. All of the 40 rural, low-income, African-American women participating in the study were giv...
TIGR president discusses significance of finding anthrax toxin
... cereus bacterium is most commonly associated with food
poisoning, although it also has been suspected to be the cause of some cases of fatal respiratory disease. At the annual meeting of the American Society for Biochemistry and Molecular Biology (ASBMB)/8th International Union of Biochemistry ...
Changes to insect-seeking calls of horseshoe bats may drive new species formation
...ifferently sized bats no longer hunt one another's food
because they no longer can even "see" one another's food. According to the researchers, when food
sources can be partitioned so precisely, it is a short hop to species divergence. They have, in fac...
Trapping carbon in soil key for protecting global food security, dealing with climate change
... agricultural soils will directly influence global food
security and climate change within our lifetime, s...op yield needed at the continental scale to ensure food
security in Sub-Saharan Africa," said Lal, who is also a professor of natural resources. "Soil needs...
Volcanic soils yield new clues about the emergence of powerful chiefdoms in Hawaii
... on other islands. Pressure to find new sources of food
may be one reason why Kamehameha, chief of the island of Hawaii, launched an invasion in 1795 that culminated in his eventual conquest of the entire island chain. But one question has long troubled anthropologists, ecologists and historians alike: W...
Virginia Bioinformatics Institute researcher advances fight against sudden oak death disease
...eads around the trunk's circumference and cuts off food
supplies coming to the roots from the leaves, eventually killing the roots. Thus, the tree's death begins with the roots, causing the upper tree trunk, bark, limbs and leaves to die from lack of water. The genome sequence of P. ramorum will help res...
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