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Tag: "eat" at biology news

New collaborative research reveals chimpanzees can sustain multiple-tradition cultures

...her groups. It’s a bit like Westerners learning to eat with chopsticks."...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

... especially when we were hormone-raging teenagers, eat your veggies and good things will happen. In a new physiological study of birds, a researcher at Arizona State University has found that carotenoids, the pigments that color carrots orange and corn yellow, have even deeper health benefits than orig...

Marine phytoplankton changes form to protect itself from different predators

...l strategy against copepods because they prefer to eat colonies of phytoplankton. A tiny single-celled o...s: small grazers such as ciliates, which prefer to eat small solitary cells that are four to six microns in diameter, and the larger shrimp-like copepods, ...

Warning from Asian bees

...erville said. “Roughly one-third of the food we eat relates back to bee pollinated crops, so most of the benefits of honeybees actually come from pollinations. “About 90 fruit and vegetable crops, including melons, pumpkins, and even cotton are more productive with their help. “And almond crops ...

Research finds that circadian rhythms dominate all life functions

...Anyone who diets, for example, knows you shouldn't eat late, and now we are getting closer to understanding why exactly," said Ptitsyn, a researcher in the Bioinformatics Center at the College of Veterinary Medicine and Biomedical Sciences. The center is located in the Department of Microbiology, Immunol...

Moths mimic sounds to survive

...requency sounds. “We found that the bats do not eat the good-tasting moths that make the similar sounds,” said Barber, who has worked on this research for four years. In the study, other types of moths that were similar in size to the sound-emitting moths, but did not make sounds, were gobbled up ...

Why do oysters choose to live where they could be eaten?

...enefits to group-living, (2) if adult oysters will eat larvae of the same species, and (3) how risky is g...are actually very weak, so while they will readily eat larvae if captured, settling larvae are just not captured very often. In fact, when a comparison of ...

Parasites' impact goes beyond host to affect ecosystem

...sity of New Hampshire, that you might have more to eat if plenty of your neighbors are infected. The research, published in this week’s Proceedings of the National Academy of Sciences Early Edition ( http://www.pnas.org/papbyrecent.shtml ), suggests that parasites can not only substantially affect their...

Peanut allergies overstated, study finds

...es every year, many of the children may be able to eat peanuts safely, a study by researchers at the Univ...who have never eaten peanuts ?or worse, those that eat them everyday, then have a positive peanut skin test and are told not to eat them," said Dr Wainstei...

Detecting poisons in nectar is an odour-ous task for honeybees

...oxins in nectar affect a honeybee’s willingness to eat floral nectar on Sunday 1st April at the Society for Experimental Biology’s Annual Meeting in Glasgow. Honeybees are very clever and can learn to associate almost any colour, shape, texture or scent with food. The newly-sequenced honeybee genome h...

Fish extinctions alter critical nutrients in water, study shows

...f two species of fish in the Venezuelan river that eat mud from the river bottom, Flecker found that the rarer of the two species was unable to make up for the loss of the more common one. Thus, it appears that human overfishing of the common species, coporo ( Prochilodus mariae ), may have large effects...

Scientists genetically engineer tomatoes with enhanced folate content

...eafy green vegetables like spinach, but few people eat enough produce to get the suggested amount of folate. So, in 1998, the Food and Drug Administration made it mandatory that many grain productssuch as rice, flour and cornmeal be enriched with a synthetic form of folate known as folic acid. Folate ...

Arsenic in chicken feed may pose health risks to humans, C&EN reports

...n chicken feed may pose health risks to humans who eat meat from chickens that are raised on the feed, ac...icken meat or ingested by consumers who frequently eat chicken. “Neither the Food and Drug Administration nor the Department of Agriculture has actually me...

How appetite-stimulating brain cells work overtime during fasting

...' that food is missing, and it keeps them ready to eat when food is introduced." The mechanism involved is very similar to the one that regulates core body temperature in peripheral body tissues, Diano added. Thyroid hormones are known to play major roles during development as well as in adulthood,...

Smithsonian scientists discover new marine species in eastern Pacific

...tween grains of sand to 6-foot-long specimens that eat entire crabs and sea hares. During the expedition, Norenburg discovered new species of ribbon worms that live and reproduce among crab eggs. These worms can be important pests of commercial species, but they are often overlooked because they...

McBride shows DNA detective work with paper-eating bacteria that 'glide'

...e may be another connection. F. johnsoniae doesn't eat cellulose, but it is able to digest a similar carbohydrate polymer, chitin. Like cellulose, chitin, which is found in the hard shells of lobsters and insects, is also difficult to break down. McBride hypothesizes that digestion of cellulose and chi...

Insomnia drug can improve brain function

...ve. The patient was able to communicate, walk, and eat without assistance after receiving the drug for a ... later, she was able to communicate to her family, eat by herself, and move. These effects lasted for up to three hours. After systematically withdrawing a...

What's in the water? Estrogenic activity documented in fish caught in Pittsburgh's rivers

...We decided to look at pisciverous fish, those that eat other fish, for this project because we know that they bioaccumulate contaminants from water and their prey, which may include toxic metals, farm and industrial runoff and wastes from aging municipal sewer systems," said Conrad D. Volz, Dr.P.H., M.P....

Scripps research team discovers a chemical pathway that causes mice to overeat and gain weight

...more active during their normal sleep cycle and to eat more. In the study, this led to weight increases of up to 30 percent relative to mice with the receptors. The EP3 receptor is one of four types of receptors for prostaglandin E2 (PGE2), the most important inflammatory mediator that controls a varie...

Post oak grasshoppers emerging

...oxic to other animals. Normally, chickens will not eat what will harm them, Behmer said. Behmer is still not sure what the Easter weekend cold snap will do to the grasshoppers' population, but he wants to study that too. Junek said they were still crawling up the side of house on April 8, even though...

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