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Tag: "house" at biology news

Mother birds give a nutritional leg up to chicks with unattractive fathers

...ocation in eggs, the researchers found that female house finches deposit significantly more antioxidants, w...nvest in each egg in each clutch she lays." Male house finches display nutrition-linked plumage ranging in color from bright red to drab yellow. The resear...

Most widely used organic pesticide requires help to kill

...e assumptions built on assumptions -- a scientific house of cards," explains one of the report's authors, Jo Handelsman, of the long-held view of Bt's mode of killing. "What was proposed as a hypothesis in one paper became cited as proven in another and no one seemed to go back to the original literature u...

High levels of blindness in southern Sudan following years of war

...chers selected villages to be visited at random. A house in each village visited was selected by spinning a...n in the middle of the village. The people in this house were examined and then other houses were chosen, also at random. Around 2500 people were examined. C...

A new approach to growing heart muscle

...t one by one," says Birla. "It's like building a house ?you need to build the separate pieces first. And once we understand how these models can be built in the lab, then we can work toward building a bioengineered heart." He notes that while many other labs focus on growing one heart component, only U-M...

Compound eyes, evolutionary ties

...ts is present in the visual system of fruit flies, house flies and other insects with open eye systems, but conspicuously absent in beetles, bees and other species with closed systems. The researchers showed that the loss of this protein, called "spacemaker," can convert the eyes of fruitflies--which norma...

Post oak grasshoppers emerging

...hey are," he said. The exact location of their house isn't necessary, he said, but a zip code and a nea...Junek said they were still crawling up the side of house on April 8, even though their numbers were reduced. ...

New findings blow a decade of assumptions out of the water

...stimate. Deutsch compares the old assumption to a house where the thermostat is many rooms away from a window that has swung open, letting in cold air. The house could get quite chilly before the draft reaches the thermostat and the furnace turns on. But if the ...

Synthetic peptide targets latent papilloma virus infections

...y to generate more copies of itself. Each cell can house hundreds of plasmids. When the cell divides into two daughter cells, the plasmids glom onto the chromosomes so as not be left behind, and are copied and delivered along with the duplicate chromosomes into the daughter cells, where they again take u...

Cure for cancer one step closer

... and two -80ºC freezers which have the capacity to house in excess of 164,000 tissue and blood samples. The small sections of tissue collected from patients will be stored in cryogenic vials which will help preserve the tissue's proteins and genetic material almost indefinitely. The Wesley Research I...

Scientists seek useful traits in wild cottons

...ral Research Service facilities in College Station house one of three international collections of cottons. Another resides in France and another in Uzbekistan, in the former Soviet Union. Breeders worldwide are evaluating specimens from these collections and exchanging germplasm in their efforts to improv...

The mouflons of the Kerguelen archipelago

...islands, one of the most isolated places on Earth, house a military base and a science station. In 1957, the local authorities decided to offer residents the opportunity to hunt mouflons (a type of wild sheep). A pair of Corsican mouflons was imported from the Vincennes Zoo in Paris. Initially, the mouflon...

Snoring in children might be an allergic type disease

...mised controlled trial of dietary intervention and house dust mite avoidance during the first five years of life. 219 children within the original study group had rhinitis and of these, 213 could provide information on snoring. Almost 60% of these children snored at least once per week including 26% wh...

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