eaten in Biological News

Wolf reintroduction proposed in Scottish Highland test case

...troduction of wolves after decades of absence is now allowing willow, aspen and cottonwood trees to thrive once again in some places, instead of being eaten as young shoots by elk. This is helping to control stream erosion. The interactive webs of birds, insects, fish and beaver are returning to health. Th...

Environmental cues control reproductive timing and longevity, University of Minnesota study shows

...lants containing chemicals that can suppress reproduction and consequently increase longevity "These toxins may be abundant in 'famine foods' that are eaten only when meat and fruit are not available" Denison adds. ...

What really prompts the dog's 'guilty look'

...ome trials the owners were told that their dog had eaten the forbidden treat; in others, they were told the...ad little to do with whether the dogs had actually eaten the forbidden treat or not. Dogs looked most "guil.... In fact, dogs that had been obedient and had not eaten the treat, but were scolded by their (misinformed)...

Bolivian rainforest study suggests feeding behavior in monkeys and humans have ancient, shared roots

...corded everything they did and ate and for how long. Where possible, she counted every fruit and leaf they ate, and collected samples of what they had eaten from the actual trees the monkeys had chosen. The samples were then dried and sent to the laboratory in Australia where they were analysed for their n...

UCSB scientists document fate of huge oil slicks from seeps at coal oil point

...fectly with our plume." This research proved to be an extension of the 2008 study by Valentine and Reddy: that the oil has indeed degraded, largely eaten away by microbes, before it settles back to the ocean floor and becomes buried. "For all of these samples, the bacteria seem to hit a common wall, ...

Decreasing deer damage

...hen deer browse, or nibble on buds, twig-ends, and leaves of woody plants, shrubs and trees can be deformed, stunted, or, in the case of young plants, eaten completely. Deer browse year-round, but are most destructive during the winter when alternative foods are less available. Male white-tailed deer also ...

American Chemical Society Weekly PressPac -- April 8, 2009

... agents most likely to be used in acts of aerosol or food-related bioterrorism. Ricin can be obtained easily and quickly causes death when inhaled or eaten in small amounts. There is no known antidote. Quantitation of ricin also has medical applications, since ricin immunoconjugates have been used as anti...

Going bananas for sustainable research -- scientists create fuel from African crop waste

... Bananas are a staple crop of Rwanda. The fruit is eaten raw, fried and baked it even produces banana beer and wine. Around 2 million tons are grown each year but the fruit is only a small percentage of wha...

Broccoli sprouts may prevent stomach cancer by defeating Helicobacter pylori

...tly lower at eight weeks on all three measures among those patients who had eaten broccoli sprouts, while they remained the same for patients who had eaten alfalfa sprouts. A reduction in H. pylori is expected to lead to a r...

Gutsy germs succumb to baby broccoli

...ng that although they reduce H. pylori colonization, they do not eradicate it. "The highlight of the study is that we identified a food that, if eaten regularly, might potentially have an effect on the cause of a lot of gastric problems and perhaps even ultimately help prevent stomach cancer," says J...

Researchers examine bacterial rice diseases, search for genetic solutions

...s with yields of around 7,000 pounds per acre in 2007, according the U.S. Department of Agriculture. American producers grow 95 percent of the rice eaten in this country and the United States is a major exporter as well, according to Bogdanove. In addition to the benefits to rice, the research should...

Aussie meat ants may be invasive cane toad's Achilles' heel

... Ecologists in Australia have discovered that cane toads are far more susceptible to being killed and eaten by meat ants than native frogs. Their research published in the British Ecological Society's journal Functional Ecology reveals a chink in the can...

Gene exchange common among sex-manipulating bacteria

...more females are produced in the population. Mechanically speaking, the bacteria convert genetic males into females or kill male embryos that are then eaten by their sisters or make females lay unfertilized eggs that all become females. However, what happens most commonly is that the males cannot reproduce...

Gladstone scientists reveal key enzyme in fat absorption

...eride, a kind of fat. Triglyceride accounts for nearly one-third of the fat eaten by people in developed countries. Researchers in the laboratory of Rober...n a low-fat diet. However, when fed a high-fat diet that is similar to that eaten by many Americans, the mice do not get fat and do not develop other symptom...

Danger lurks underground for oak seedlings

...rn deciduous forests, were likely responsible for the majority of oak seedling mortality because many seedlings went missing, suggesting the voles had eaten or removed the entire plants. There is little overall loss of oak forest to date, but Rathfon said that might change if foresters, the timber indus...

Gene to reduce wheat yield losses

...istobal Uauy's research at JIC will be to test how effective it is in UK-adapted varieties. Bread wheat provides about 20 per cent of the calories eaten by humankind and is the UK's biggest crop export. Dr Uauy has recently been appointed at JIC. He will lead a research collaboration with the Nation...

Mama whales teach babies where to eat

...ures, southern right whales give birth to fewer calves because the warm water reduces the abundance of krill, which are small, shrimp-like crustaceans eaten by the whales. The new study scheduled for publication in the Feb. 15 issue of the journal Molecular Ecology used genetic and chemical isotope...

Results of the third school nutrition dietary assessment study published

...tions. "Because the SNDA-III study is comprehensive, recent and nationally representative, it provides not only a clear picture of the meals currently eaten by many of our nation's children, but also a strong foundation for future policy development and research," said Mary Kay Crepinsek, a senior research...

New drug holds out promise of normal diet for sufferers of devastating PKU genetic disease

...y a lot of the time, she never gets enough food to fill her. She would be excited to eat all the cauliflower she wants, or a whole banana. She's never eaten a whole banana!" "Aside from just the diet portion," Fischer added, "PKU affects mood and the ability to concentrate, and diet therapy does not wor...

Voracious sponges save reef

...r in unicellular organisms. The production and breakdown process of the sponge cells mirrors that in the human intestinal tract. Eating and being eaten Coal reef maintains itself in a remarkable manner. The algae and corals on the reef produce dissolved organic material. Before this material flows i...

In many fungi, reproductive spores are remarkably aerodynamic

... shapes seen among airborne spores, says co-author Anne Pringle, a mycologist. "A well known ascomycete, the truffle, spreads its spores when it is eaten and egested by animals," says Pringle, assistant professor of organismic and evolutionary biology in Harvard's Faculty of Arts and Sciences. "Other as...

Climate-change set-back for acidified rivers

...rs expected that up to 29 insect species to have re-colonised the less acidic Welsh streams. These included sensitive mayflies and other groups often eaten by trout and salmon. The findings however, showed a large short-fall in biological recovery, with just four new insect species added to the recover...

The dark chocolate version of Father Christmas is most filling

...sults were significant. The calorie intake at the subsequent meal where they could eat as much pizza as they liked was 15 per cent lower when they had eaten dark chocolate beforehand. The participants also stated that the plain chocolate made them feel less like eating sweet, salty or fatty foods. So...

Climate change setback for acidified rivers

...t up to 29 insect species should have re-colonised the improving Welsh streams. Typical among them should be sensitive mayflies and other groups often eaten by trout and salmon. Their findings, however, showed a large short-fall in biological recovery, with just four new species added to the recovering ...

Indiana University research at American Public Health Association meeting

...y available in the residence hall or the need to prepare meals in apartment living, foods that can require more preparation or are more perishable are eaten less often. The researchers studied three groups of students -- students in apartments, students living in a residence hall and students living in a F...

Fried purple tomatoes

... such as blackberry, cranberry and chokeberry. Scientists are investigating ways to increase the levels of health-promoting compounds in more commonly eaten fruits and vegetables. "Most people do not eat 5 portions of fruits and vegetables a day, but they can get more benefit from those they do eat if c...

TB bacterium uses its sugar coat to sweeten its chances of living in lungs

...on is treated with a combination of antibiotics that patients take for at least six months. At the point of infection in the lung, TB bacteria are eaten by a macrophage, also called an antigen-presenting cell. As part of what is called the innate immune response, the macrophage activates specific molec...

Researchers study how pistachios may improve heart health

...r disease risk factors. Controlled feeding experiments provide all the food eaten by study subjects for the duration of the study segment. The participant..., perhaps phytosterols and fiber. "Our study has shown that pistachios, eaten with a heart healthy diet, may decrease a person's CVD risk profile, says P...

Scientists discover a new Pacific iguana

...for 'hello,' offering an even more enthusiastic greeting. Pacific iguanas have almost disappeared as the result of human presence. Two species were eaten to extinction after people arrived nearly 3,000 years ago. The three living Brachylophus iguana species face threats from loss and alteration of the...

In spiders, size matters: Small males are more often meals

...an previously thought. Males are more likely to be eaten if they are much smaller than females, which likel...nge of spider species. Males are more likely to be eaten in species where males are small relative to femal...er female and males would not become smaller to be eaten more often because they would not get to mate as o...

Potatoes may hold key to Alzheimer's treatment

...urified PVY. Friedland and colleagues note that potato virus is a fairly common infection that poses no risk to humans (many people have probably eaten PVY infected potatoes). While tests of PVY antibodies will ultimately determine how useful they can be, they may be a promising lead to treating this ...

Sweets make young horses harder to train in Montana State study

..., maximum and mean heart rates detected by an electrode belt. Black trained the animals for 30 or 40 minutes a day without knowing which animal had eaten grain and which one hadn't, Bowman said. She and Black then recorded heart rates and the number of steps the horses took during training. They scored ...

New research reveals why chili peppers are hot

... of seed mortality is a fungus called Fusarium. The fungus invades the fruits through wounds made by insects and destroys the seeds before they can be eaten and dispersed. Capsaicin, the chemical that makes the peppers hot, drastically slows microbial growth and protects the fruit from Fusarium. And whi...

Parents shape whether their children learn to eat fruits and vegetables

...books. The same parent interviewed before the intervention completed a telephone survey to determine changes in the number of fruits and vegetables eaten and behaviors of both the preschool children and parent. The average time between the before and after intervention survey was seven months. Parent...

Case Western Reserve University study looks at keeping migrant workers' children healthy

... She also will investigate lifestyle questions about how food is prepared, if the family has a working oven, and how much and what kinds of food are eaten each day. Protecting the families' privacy, Kilanowski will collect survey data by having families use personal assistant devices (PDA) that have be...

Limiting fructose may boost weight loss, UT Southwestern researcher reports

...ignificantly when as little as half the glucose was replaced with fructose. Fructose given at breakfast also changed the way the body handled the food eaten at lunch. After fructose consumption, the liver increased the storage of lunch fats that might have been used for other purposes. "The message fr...

Can tomatoes carry the cure for Alzheimer's?

...gainst Alzheimer's disease, since beta-amyloid is toxic to animal cells. Tomatoes are an attractive candidate as a vaccine carrier because they can be eaten without heat treatment, which reduces the risk of destroying the immune stimulation potential of the foreign protein. The researchers inserted the bet...

Tasty meal out of reach

...e thorns protect these plants and animals from grazing by large mammals. Smit's experiments show that blackthorn seeds under the scrub are quickly eaten by small mammals such as mice. Thorns provide no protection against this. However, Smit discovered that the young plants in the Junner Koeland frequen...

Penguins setting off sirens over health of world's oceans

...ing because in many cases they have to forage much farther than before to find the prey on which they feed. "As the fish humans have traditionally eaten get more and more scarce, we are fishing down the food chain and now we are beginning to compete more directly with smaller organisms for the food the...

Highlights from the July 2008 Journal of the American Dietetic Association

...rom the Teens Eating for Energy and Nutrition at Schools Study The Content of Favorable and Unfavorable Polyunsaturated Fatty Acids Found in Commonly eaten Fish ...