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Tag: "feed" at biology news

Termites feed through good vibrations

...r termites in that "large block", so they chose to feed on the large block without termites. Thus the termites showed that they have the "cocktail party effect". This social information had another important effect: limiting reproduction potential. Most termite workers are sterile; they don't breed. Howe...

The secret lives of whales

...s that lead to these aggregations of animals. They feed these communities like feeding pigeons in a park e...“bacterial garden?to break down the whale bone and feed on the fats and proteins inside. “They are an example of extreme evolutionary novelty,?says Smith, “...

Researchers reveal the infectious impact of salmon farms on wild salmon

...hen infection rates are high enough, the parasites feed on the fish at rates greater than the fish can feed itself, literally eating the fish alive. Adult salmon can survive sea lice infection, but young salm...

Ants Genetic Engineering Leads To Species Interdependency

... the colonies of other ants that theycan no longer feed themselves or raise their younger siblings.Recent work on ants suggests that we may need to add geneticengineering to the list of innovations ants have evolved to employ. Intwo species of harvester ants, populations have been discovered inwhich queen...

New protein discovered by Hebrew University researchers

...n is based onthe fact that the blood vessels which feed tumors are considerably moreporous than those reaching healthy cells. Therefore, the units of SP-1carrying the drug would invade only the tumor-feeding blood vessels andnot normal ones.More recently, the three-dimensional structure of the protein was...

The death of a very special chimpanzee

...n is based onthe fact that the blood vessels which feed tumors are considerably moreporous than those reaching healthy cells. Therefore, the units of SP-1carrying the drug would invade only the tumor-feeding blood vessels andnot normal ones.More recently, the three-dimensional structure of the protein was...

Falling ants glide back to trunk to avoid dangers of forest floor

...forest canopy waiting for mosquitoes to alight and feed on his blood, Yanoviak casually brushed off a few dozen ants that were attacking him and noticed their uncanny ability to land on the tree's trunk and climb back to the very spot from which they'd fallen. "I brushed them off the branch with my hand,...

Protein offers way to stop microscopic parasites in their tracks

...d blood cells and clogging of the capillaries that feed the brain and other organs. Cryptosporidium, which causes diarrhea, vomiting and other symptoms, is one of the most common causes of water-borne disease in the world. "These other parasites are more devastating in terms of the number of people they ...

Vampire bats keep out of trouble by running

...tablespoon of blood at a time for sustenance. They feed while their prey are sleeping, spending perhaps 10...vampire bat is good on the ground because when you feed on the hoof of an animal that weighs 14,000 times more than you do, it's dangerous." Also, there are...

A frog's life is food for thought

...known as aestivation. During this time they do not feed and survive on fat reserves. The frogs return to the surface after heavy rain, sometimes for as little as a week - to find food and build up fat reserves. During the study Ms Cramp and her supervisor Professor Craig Franklin from the School of Inte...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

... be harvested, dried and carefully added to animal feed or used as a soil amendment in areas where seleniu...m is deficient, so farmers actually pay for animal feed that is supplemented with selenium," said Terry. "Farmers would love to have this source of selenium...

New winter hulless barley has high protein

...igher starch and energy content, therefore, better feed quality, such as cultivars named 'Thoroughbred' and 'Price,' have recently been released by Virginia Tech," said Carl Griffey, professor of crop and soil environmental science at Virginia Tech. "Similar to wheat in appearance, ulless barley is signif...

Researchers identify protein crucial for survival of Lyme-disease bacterium

...ater stages of tick feeding ?allowing the ticks to feed on mice, waiting a couple of months for the tick to molt, then refeeding them ?that we began to see the effect. Our results required a much more comprehensive assessment of the total life cycle of the bacterium, as opposed to just focusing on the mam...

Nanoparticles offer new hope for detection and treatment

...ng tumors cause growth of new blood vessels, which feed the tumors. To get the particles to bind to tumors, the researchers equipped them with tiny "hooks" that link only to complementary "loops" found on cells in newly forming blood vessels. When the nanoparticles hooked the "loops" on the new vessels' c...

Researchers uncover sequence of major rice pathogen

...s responsible each year for killing enough rice to feed 60 million people worldwide. In the Nature paper, Dean and his co-authors shed some light on the adaptations required by a fungus to cause disease. The researchers identify novel receptors that allow the fungus to recognize its environment; secreted...

Brain-mapping technique aids understanding of sleep, wakefulness

... cells in other parts of the brain that negatively feed back to the sleep-active neurons in the anterior h...ve, animals fire up their cholinergic cells, which feed back to orexin neurons positively, and orexin neurons feed back to cholinergic cells," Dr. Yanagisaw...

Growth in biomass could put US on road to energy independence

...gricultural lands and still continue to meet food, feed and export demands," said Robin Graham, leader for Ecosystem and Plant Sciences in ORNL's Environmental Sciences Division. The benefits of an increased focus on biomass include increased energy security as the U.S. would become less dependent on for...

Human Cells Filmed Instantly Messaging for First Time

...gricultural lands and still continue to meet food, feed and export demands," said Robin Graham, leader for Ecosystem and Plant Sciences in ORNL's Environmental Sciences Division. The benefits of an increased focus on biomass include increased energy security as the U.S. would become less dependent on for...

New project aims to make large-scale lobster farms feasible

...ster in troughs on land. Work to develop a lobster feed that could ultimately be marketed to a lobster aquaculture industry is running concurrently at Harbor Branch. ...

Elephant seal pups suffer from ocean warming

...e caused by El Niño. Sea lions and fur seals that feed near their rookeries at the surface of the ocean a...resulting in pup starvation. Elephant seals, which feed in deep waters, were previously thought to be better buffered against ocean temperature changes than...

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