Tag: "flashes" at biology news

Coke versus Pepsi: It's all in the head

...e sips were preceded by either "anonymous" cues of flashes of light or pictures of a Coke or Pepsi can. The experimental design enabled the researchers to discover the specific brain regions activated when the subjects used only taste information versus when they also had brand identification.While the resea...

Study demonstrates Cenestin reduces sleep disturbances/night sweats in post-menopausal women

... estrogens, A) reduced the number of nocturnal hot flashes by nearly 80 percent. The study also found that w... like Cenestin, the number of night sweats and hot flashes they experienced was reduced and they seemed to sleep better," said Dr. Scharf. More than 1.5 mil...

Genetic polymorphisms, antidepressant use may be associated with altered tamoxifen activity

... SSRIs, which are commonly prescribed to treat hot flashes in women who take tamoxifen, are known to inhibit ... alternatives to estrogen for the treatment of hot flashes in patients with breast cancer as well as in unaffected women, in addition to their already establis...

When cobras spit, there's not a dry eye in the house

... seconds it remains erect like this; then its head flashes forwards. For an instant the fangs in front of its pale pink throat are visible in its wide-open mouth, as they squirt the venom at high pressure towards the victim. On the plastic visor two red spiral patterns appear. The eyes behind it look surpris...

X-rays have become laser-like

...rman team focused a sequence of intense ultrashort flashes of red light at a gas of helium atoms to convert 700-nm laser light into a 1-nm wave of X-ray light emitted by the excited atoms (Figure). The intense laser field makes the negatively charged electron cloud perform giant oscillations around the posit...

Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert

...gned our system to excite dyes with high intensity flashes of light. The camera only opens during those flashes, so we are able to capture a strong fluorescence signal during daytime exploration," said Shmuel Weinstein, project manager. During the mission, a remote science team located in Pittsburgh instruct...

Tufts researchers shine light on firefly mysteries

...s) are strongly attracted to males who give longer flashes because that signal indicates males that can provide better nutrition for their offspring. But the Tufts research team has recently found evidence suggesting that the preferred males in a related species (Photinus greeni) do not provide any such ben...

Researchers make headway in mystery of migraines

...e kind that cause debilitating headaches and light flashes known as auras--target a cellular process involved in brain cell communication. "A number of mutations have been shown to result in familial migraines," says Dr. Rhoda Blostein--a medical scientist at the Research Institute of the MUHC, professor in ...

In some cases, genetic resistance takes on a life of its own

... traits have often been thought of as evolutionary flashes in the pan. This assumption stems from the prediction that resistance mechanisms will always carry a so-called "fitness cost" that will work against a genetic trait over time. Like heavily armored knights transported from battlefield to city, resista...

Max Planck researchers win part of Descartes Research Prize 2005

... When gamma rays are absorbed, they send out small flashes of so-called Cherenkov light -- a blue light that only lasts for a few billionths of a second. These lights are caught by the large mirrors and sensitive photo sensors at H.E.S.S. From this data, the scientists then create images of astronomical obje...

Gene variation affects tamoxifen's benefit for breast cancer

...iant were less likely to have hot flashes. Any hot flashes among this group tended to be less severe, suggesting that this side effect could predict the gene variation. Further studies are needed, but researchers hope one day this finding may lead to a genetic test that could help doctors determine which wom...

Nuclear medicine imaging allows prediction of breast cancer patients' response to hormonal treatment

...hich binds to somatostatin receptors and sends out flashes of light detected by a gamma camera, researchers were able to create an image of the presence of hormone-sensitive lesions in a patient's body. The study notes, "Sequential 99mTc-depreotide scintigraphy could allow for separation of responders and no...

New predation management methods reduce conflict between humans and carnivores

...ock. In this category are fladry and a device that flashes lights and sounds a siren when it detects predators. Guard dogs have also made a comeback in recent years in the United States. Other techniques modify behavior through conditioning. In this category are fladry with electrically charged wires ("turbo...

Purdue project could help pets serve as disease watchdogs

...ermined set of clinical signs, the computer screen flashes in the hospital and information appears that advises the practitioner what samples to collect from the dog for virus identification. A similar real-time surveillance system could be used to identify the avian influenza virus in pet birds or cats, Gli...

News tips from The Journal of Neuroscience

...eek, Dunn et al. measured responses to brief light flashes at different background light levels to examine the location of gain controls among the bipolar, amacrine, and ganglion cells of the inner retina. Using isolated retina preparations from both mice and primates, the authors first concluded that the ro...

ACS weekly press package April 24th, 2006

...ohosh and use this dietary supplement to treat hot flashes and other menopausal symptoms. Clinical trials are still relatively few in number. Some report that black cohosh helps relieve menopausal symptoms such as hot flashes, while others do not. A new study, scheduled for May 17 publication in the J...

New type of optical microscopy attains near-molecular resolution

... fluorophore-bound biological sample to successive flashes of light of varying wavelengths activates different subsets of fluorophores, revealing their locations. After many such still images are taken, they are merged into a single image -- a sea of glowing fluorophores clearly resolvable, for instance, alo...

Hormone therapy does not improve quality of life for women

...ity of life. Only those women that experienced hot flashes and night-time sweating reported beneficial effect...hormone recipients had less fractures and less hot flashes and night-time sweating than the comparison group, but they also had more flow. There were no differ...

The abortion pill compound prevents breast tumor growth

...esterone and estrogen to ease symptoms such as hot flashes and night sweats. That research, combined with the recent findings, lead scientists to believe that anti-progesterone could, in the future, provide women at risk for breast cancer with more prevention options....

American Chemical Society's Weekly PressPac -- December 6, 2006

...tests on a paint stripper that uses high-intensity flashes of light a million times more intense than sunlight to burn off layers of lead-based paint. The flashes do not damage the underlying surface. Remains of the paint are immediately vacuumed and routed into ...

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(Date:10/14/2014)... the planet,s leading questions is how to produce enough ... climate. The Food and Agriculture Organization of the United ... the next 40 years to feed a growing global ... necessary rise in food production. Plants—grains, cereals, fruits, ... livestock. Current research must tap into our knowledge ...
(Date:10/14/2014)... CA – October 14, 2014 – Scientists from The ... from the National Institutes of Health (NIH) to lead ... virus-induced hemorrhagic fever disease in Africa. The study aims ... why some patients die, while others survive the inflection. ... understand the basic mechanism of how Lassa fever virus ...
(Date:10/14/2014)... likely takes between 10 and 20 years to ... window" of intervention if detected early, which may ... say Australian clinical researchers. , Dr Jeremy ... Institute of Medical Research, analysed medical histories and ... pancreatic cancer patients, operated on between 1994 and ...
Breaking Biology News(10 mins):Building a bridge from basic botany to applied agriculture 2Building a bridge from basic botany to applied agriculture 3Scripps Research Institute team receives $6.6 million to investigate deadly Lassa virus 2Early detection window when pancreatic cancer is in the family 2
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