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Tag: "food" at biology news

Fish can determine their social rank by observation alone, study finds

...the outcome of which determines who gets access to food and mates. "Males that repeatedly lose fights are unable to hold territories and consequently descend in social status," the authors wrote. "Success in aggressive bouts is therefore crucial to male reproductive fitness, and the ability to infer t...

Fish growth changes enhanced by climate change

...e history traits ?from higher mortality to reduced food availability and increased age or smaller size at sexual maturity. He said comparisons of historical and modern oceanographic data indicate temperature trends very similar to the apparent changes in growth rates. In the south west Pacific east of...

Manual dishwashing study digs up dirt on dish cleanliness

...l engineering, and Pascall, assistant professor of food science and technology, published their findings i...r long periods of time if they make their way into food dried onto dishes. If those dishes aren't thoroughly washed, they can sometimes cause food-borne dis...

Bacterial response to oxidation studied as toxin barometer

... saw a connection between what they were seeing in food processing and what we were seeing in wastewater s... heterotrophic bacteria were being used to monitor food processing systems ?so why not wastewater? After doing work to develop what Brian Love describes ...

With cellulosic ethanol, there is no food vs. fuel debate according to MSU scientist

...ake ethanol, there have been public concerns about food shortages. However, ethanol made from cellulosic materials instead of corn grain, renders the food vs. fuel debate moot, according to research by a Michigan State University ethanol expert. Bruce Da...

Swimming 'to the left' gets bacteria upstream, and may promote infection

...lly locate large reservoirs with richer sources of food and better conditions for multiplying. "We think that upstream swimming of bacteria may be relevant to the transport of E. coli in the urinary tract," said Köser. "It might also explain the high rates of infection in catheterized patients and the...

Magic Beans -- Anti-obesity soya could help prevent diabetes

...apabilities; this is one of the reasons why frozen food manufacturer Birds Eye has added the beans to its range. However, a team of Korean researchers has shown that black soya may be even more potent in rats, and also prevents weight gain (Journal of the Science of Food and Agriculture, February 2007 DOI...

Immunization rates hit record high in poor countries

...es of many that depend on the hemlock not just for food but for the architecture of their world. Some warblers only nest in hemlocks and the mountain fish depend on the trees to keep streams cool. "See all this white growth?" Costa says in his UVM lab, tracing his finger above the soft flat needles. "T...

Fungal factories may save hemlock forests

...es of many that depend on the hemlock not just for food but for the architecture of their world. Some warblers only nest in hemlocks and the mountain fish depend on the trees to keep streams cool. "See all this white growth?" Costa says in his UVM lab, tracing his finger above the soft flat needles. "T...

Virtual duck bills demonstrate species coexistence

...ch are comb-like projections on the bill, to sieve food particles from pond water. Many ecologists, includ...ing of bill lamellae allow each species to consume food particles of different sizes. Research published in the March issue of the American Naturalist by Br...

Major link in brain-obesity puzzle found

...eptin and insulin that tell the brain to slow down food intake and fat storage. For the new paper, they looked at not only normal mice and mice that didn’t have the SH2B1 gene, but also at mice that made SH2B1 only in brain cells, either in normal or larger-than-normal amounts. They found that restori...

New research shows why too much memory may be a bad thing

... Results of the tests, in which mice had to locate food within specific areas of a maze, showed that mice ...een halted made more correct choices and found the food faster. "In our world, we are constantly bombarded by new information so we are constantly filte...

New UD technology removes viruses from drinking water

...li Kniel, an assistant professor in the animal and food sciences department, who has provided critical ass...," Chiu noted. Applications in agriculture and food safety Besides helping to safeguard drinking water, the UD technology may have applications in a...

New approach could lower antibiotic requirements by 50 times

... also be particularly useful for treating cases of food poisoning, because the lower doses of antibiotic needed would not disrupt the friendly bacteria in the gut - a big problem with conventional antibiotic treatments. 'The prospect of using such treatments to prolong the life of existing agents and de...

Ape gestures offer clues to the evolution of human communication

...rt, whereas the same gesture toward a possessor of food signals a desire to share," said Pollick. "A screa...ns. This gesture can be used for food, if there is food around, but it also can be used to beg for help, for support, for money and so on. It's meaning is c...

Unique tomatoes tops in disease-fighting antioxidants

...hwartz, the study's lead author and a professor of food science and technology at Ohio State University. ...n; Nuray Unlu, a former postdoctoral researcher in food science; and Torsten Bohn, a former postdoctoral fellow in food science at Ohio State. ...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

...e journal Science, tying two unlikely links in the food web to the same fate. A team of Canadian and Ame...ean ecosystems and inflicting collateral damage on food fisheries such as scallops," says Ellen Pikitch, a professor at the University of Miami Rosenstiel S...

Human preference for other species could determine whether they survive

...guin species, and in the past some were hunted for food or boiled to extract their oil. Some species now struggle to survive climate change, changing food patterns and encounters with humans or human activity, such as oil drilling at sea. The species ...

Salmonella survives better in stomach due to altered DNA

... survive under all conditions, for example, during food conservation or in gastric acid. The pathogenic ch...ibiotic-resistant pathogen that is transmitted via food and is considered to be dangerous for humans. In recent decades the number of infections with this v...

Microbes compete with animals for food by making it stink

... that deter higher species from consuming valuable food resources -- such as decaying meat, seeds and frui...t feeding, Hay noted. "It could be that the rotten food is just as good, but a lot of the good smells have leached out in the water, so maybe it's just food...

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