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Tag: "could" at biology news

100 percent of pregnant women have at least one kind of pesticide in their placenta

...daily exercise and the avoidance of tobacco (which could also be a source of inadvertent exposure) are very important habits which help to control the presence of pesticides in our organisms. ...

Sleepless for science: Flies show link between sleep, immune system in Stanford study

... was too regular, the flies got used to it so they could nap." Another option was to keep the flies in c...circadian rhythm. In this case, these mutant flies could be kept under exactly the same light and temperature conditions as the normal flies. They looked ...

Heavy multivitamin use may be linked to advanced prostate cancer

...score the possibility that antioxidant supplements could have unintended consequences for our health,?the authors write. ...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...bles, the researchers suggest that large dinosaurs could mainly hear low frequencies, with a high frequency...he simple step of using quieter pavement materials could cut road noise in half in the main entrance of the Florida Everglades. Blomberg ( npc@nonoise.org )...

Chemical maps hint at drug's effects on schizophrenia

...ciations. Kaddurah-Daouk thinks this technology could lead to earlier diagnosis of schizophrenia. It may...lites important for the disease but not those that could lead to detrimental side effects." Although some lipids are known to have detrimental effects on ...

Spreading viruses as we breathe

...avels in the air prior to drying. "This droplet could potentially be carrying a virus," she said. "Th...fessor Morawska said a droplet drying on a surface could be infectious but the greater danger was droplets drying in the air. "A droplet can travel for 10...

From the deep -- Researchers find new species of sea anemone

... pearseae roosting on the bones. A successful trip could answer some of Daly's lingering questions about the species itself and, more broadly, may provide clues on how human activities affect this unique, seemingly removed ecosystem. "The thing about these communities is that they seem so ephemeral and ...

Herpes infection may be symbiotic, help beat back some bacteria

...ed our immune systems at a fundamental level. This could mean the virus-free animal models scientists use t...n did not confer resistance. The protective effect could be produced by two different mouse herpes viruses. "We have a good feel for who the main players ...

The quest for an effective HIV vaccine presents new possibilities, challenges

...ought increased attention to the role that T cells could play in an HIV vaccine by spurring cellular immuni...hat delays but does not completely prevent disease could not stand alone as a preventive measure; the public health community would need to include it as par...

First demonstration of new hair follicle generation in an animal model

... Nature. A better understanding of this process could lead to novel treatments for hair loss, other skin...archers previously believed that adult mammal skin could not regenerate hair follicles. In fact, investigators generally believe that mammals had essentially...

Iowa State scientists demonstrate first use of nanotechnology to enter plant cells

...nction. The process is imprecise and the chemicals could be toxic to the plant. "With the mesoporous na... function in plants. And in the future, scientists could use the new technology to deliver imaging agents or chemicals inside cell walls. This would provide ...

Scientists seek useful traits in wild cottons

...ussian and French cotton collections. These traits could help diversify the gene pool from which breeders d...f control cottons. The data from these comparisons could help scientists discover which physical traits help impart drought resistance and make more accurate...

Hexavalent chromium in drinking water causes cancer in lab animals

...n the study were ten times higher than what humans could consume from the most highly contaminated water sources identified in California. The researchers report finding significant increases in tumors at sites where tumors are rarely seen in laboratory animals. Male and female rats had malignant tum...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...scovery of these vent communities showed that life could exist on thermal and chemical energy. Since oceans...Earth's history, these deep sea hydrothermal vents could be the most ancient sites of life on Earth. Yet the vents are not only of scientific interest, since...

Do fruit flies have free will?

...sm which might be common to many other animals and could form the biological foundation for what we experie...esponsible for the spontaneous behavior. This step could lead directly to the development of robots with the capacity for spontaneous nonrandom behavior and ...

Latent memory of cells comes to life

...nt of a yeast cell which was bi-stable, in that it could become either of a single sex or hermaphrodite. Th...copic state of the nucleosomes, the research group could simulate the experimental results and in this way gained insight into the mechanisms by which living...

Growing nerve cells in 3-D dramatically affects gene expression

... that this culture method might create tissue that could be more successfully implanted." ...

No magic tomato? Study breaks link between lycopene and prostate cancer prevention

... the scientific community that free radical damage could increase the risk of prostate cancer, a disease that has been clearly associated with age. Subsequent studies of the potentially protective role of lycopene have been contradictory or inconclusive, according to Peters. In a 2006 study, she and he...

Study shows dramatic increase in Caesarean sections

...of Obstetrics and Gynaecology, found that the rise could not be explained by increases in clinical reasons for caesareans such as complications in pregnancy or labour/delivery and was more likely due to societal factors. The research project looked at all births in Western Australia between 1984 and 2003 ...

Hives ferment a yeasty brew, attract beetle pest

... the National Academy of Sciences that the beetles could detect the equivalent of 2 nanograms of IPA at the entrance to an undisturbed honeybee colony, but, the antennae of guard and forager bees did not detect this level of IPA. "This indicates strongly that the heightened sensitivity of the beetles to...

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