Farmed salmon more toxic than wild salmon, study finds
...-raised salmon may pose health risks to people who eat the economically important fish. Their study, whic...ations. "We think it's important for people who eat salmon to know that farmed salmon have higher levels of toxins than wild salmon from the open ocean,...Wright State biologist studies birds to learn how our stomachs convey thoughts of hunger
...t on why we get hungry when we do and why we often eat more than we should." The Wright State faculty member has presented several lectures on this topic in the past year in Japan and the U.S. and has been pursuing research on biological clocks for more than 10 years. ...Enzyme fully degrades mad cow disease prion
... the efficiency of the feed; that is, chickens who eat feed with the enzyme grow to optimal weight quicker and need less feed to grow to that optimal weight. The enzyme thus can provide the same benefit in feed that antibiotics currently provide. Animal producers are looking for safer substitutes to anti...'Smart bomb' delivery destroys tumors in mice
...is damaged, whether by soil parasites intending to eat the tender tissues, or by cooks making sauce, the membranes separating the compartments are ruptured and rapid allicin production follows. The scientists realized that if doses of allicin could be repeatedly generated in this way at the site of the t...Pest control breakthrough from a spider's stomach
...field, we can see which prey the spiders prefer to eat when they have a choice." "If we can encourage this prey insect in greater numbers, it should boost the population of spiders and therefore provide better control of aphids," said Dr Symondson. Spiders, and in particular money spiders, are extremely ...History of frog deformities suggests emerging disease
...cts and aquatic plants, and snakes, fish and birds eat them. They also serve as an indicator species - organisms scientists say can signal subtle changes in the environment. "There's the personal appeal, too. Kids have always been fascinated with frogs," says Johnson. Although sightings of deformed fro...Researchers find mechanism bacteria use to target specific chemical contaminants
...experts know that certain bacteria can essentially eat toxic waste, reducing it to less noxious substances. But until now they didn't know what mechanisms allowed these bacteria to devour chemicals. A new study by Ohio State and Virginia Tech universities showed how a particular bacteria uses iron oxide,...How lice and bird feathers stick together
...riment disproved the hypothesis that lice couldn't eat feathers of incompatibly sized birds. Some abdominal feathers were plucked from all five species, weighed, and incubated for a month in test tubes with 10 lice per tube. Then the feathers were removed and weighed, revealing that the lice ate the sam...A human hormone, combined with a full stomach, offers clues for understanding our food intake
...or to leaving the lab. They were instructed not to eat or drink anything except water before returning to the laboratory 2.25 h later. When the subject returned, the back of his/her throat was anesthetized and a thin latex balloon (attached to a double-lumen tube) was passed orally into the stomach. A ca......mistletoe a great place for nesting and many birds eat mistletoe berries, including grouse, mourning doves, bluebirds, evening grosbeaks, robins and pigeons. Check out http://www.usgs.gov/mistletoe/index.html . For more, call Carolyn Bell at 703-648-4460 or email at cbell@usgs.gov . And you thought C...Study finds that fungus farming by snails causes marsh grasses to wither
...nd others observed that the snail, long thought to eat only dead or dying plant materials, also grazed live salt-marsh cordgrass. A 2002 collaboration with another Brown researcher indicated that the snail participates in a top-down "trophic cascade" in which the control of grazers (snails) by predators ...Gene may protect against heart disease rather than be harmful as previously thought
...e are people who smoke, who are overweight, or who eat badly, and whose blood vessels and arteries don't become obstructed by the fatty build-up called plaques. "So, there must be genetic pathways other than those connected to cholesterol metabolism. Our research has identified a non-cholesterol related ...Bird 'breathalyzer' helps assess migratory diet
...ped warblers, for instance, are known to primarily eat bayberry on migration. But in each of the last two years, Podlesak caught a number of warblers that ate something very different than was expected. He wonders if the birds stopped somewhere out of the ordinary or if there is an unknown migratory st...Climate linked to reproduction of right whales
...actation after the previous birth, another year to eat heartily -- if they can -- and amass fat stores for the next pregnancy, then a yearlong gestation), Pershing observes. "We think we're seeing a one- to two-year time lag until poor feeding conditions take effect, as well as a slightly longer time la...Over land, sea and air, users give MERIS high marks
... species contain toxins that can poison humans who eat contaminated shellfish. Alternatively the spreading blooms can deplete water of oxygen as they decay, causing larger fish to suffocate. Fish farms are especially vulnerable to algae blooms because fish cannot flee affected zones. The southern region...A bird in a tree for biodiversity
...urvival depends largely on certain bird species to eat and disperse seed. But in the broken parcels with few trees left, the birds were rare or absent. Seed fell to the ground but didn't regenerate as well as in continuous forest tracts. The bird-tree dependency that evolved in this ancient forest, isola...Isotopes from feathers reveal bird migration
...is simple: birds are what they eat. And what birds eat while growing feathers on the breeding grounds contains isotopes of hydrogen, carbon, and nitrogen. These vary in predictable patterns across North America. Duxbury will be presenting a paper on his work on Wednesday, November 5, at the annual meeti...Hot cocoa tops red wine and tea in antioxidants; may be healthier choice
...o ensure that you get plenty of antioxidants is to eat a variety of fruits and vegetables, experts say....Dietary supplement many not lower prostate cancer risk
...we want the health benefits of tomatoes, we should eat tomatoes or tomato products and not rely on lycopene supplements alone." Along with Clinton, John W. Erdman, Jr., professor of nutritional sciences, University of Illinois, Urbana-Champaign; Thomas W.-M. Boileau, post doctoral fellow; Zhiming Liao, r...Researchers home in on obesity gene and offer explanation for overeating
...s over accumulation of GABA drives the stimulus to eat further than normal, and is thus a basis for explaining why obese people overeat. Professor Philippe Froguel, senior author of the research, from Imperial College London, and Hammersmith Hospital, London, and who carried out the research while at the...