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Tag: "her" at biology news

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

... long known that a childs sleep is vital to his or her growth, but the origins of problems affecting it r...others level of post natal anxiety or depression, her smoking habit, or her social class. This problematic sleep is notable; it may be part of the rea...

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...’s outer membrane, according to Tristram-Nagle and her collaborator, John Nagle, professor of physics and biological sciences at Carnegie Mellon. The Carnegie Mellon scientists used X-rays to detect the effect of FP-23 on lipid bilayers that mimic cell membranes. Lipid bilayers form different phases tha...

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

...shed by one of the study's co-authors. Yauk and her colleagues found that the rate of Ms6-hm mutations... genetic health conse-quences of smoking, Yauk and her colleagues plan to study how altered DNA manifests itself in the children and grandchildren of male ...

New bacterium discovered -- related to cause of trench fever

...or author on the new paper. Koehler encountered her first patient infected with Bartonella in 1987 during her first week of training in infectious diseases at the AIDS Clinic at San Francisco General Hospital M...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...ted in talking about it,” says Dr. Emmi. She hopes her work with Dr. Ying C. Song, cryobiologist, will one day give her more to say. They are collecting ovarian tissue from volunteers age 16 to 37 who need the tissue ...

New collaborative research reveals chimpanzees can sustain multiple-tradition cultures

...h high-ranking female were passed among members of her group, thereby becoming a local tradition. In all, the researchers observed 10 traditions spread throughout the chimpanzee groups at the Yerkes Research Center and the University of Texas. “This study nicely summarizes our collaborative work ...

Undergraduate research shows leaderless honeybee organizing

...e the queen a signal, known as “piping” that tells her to fly. “Researchers have never reported worker...gh the bee colony is centered around the queen and her reproductive capabilities, findings by Schneider and others indicates that she does not exactly “ru...

Study shows lizard moms dress their children for success

... rest of their lives. The mother's influence gives her progeny the patterns most likely to ensure success...iting is that the mother has different patterns at her disposal, so she can ensure a good match between back patterns and other traits that her offspring p...

College students who pull 'all-nighters' and get no sleep more likely to have a lower GPA

... The amount of sleep a person gets affects his or her physical health, emotional well-being, mental abilities, productivity and performance. Recent studies associate lack of sleep with serious health problems such as an increased risk of depression, obesity, cardiovascular disease and diabetes. ...

Plants recognize their siblings, biologists discover

...haviours occur beneath the surface. Dudley and her student, Amanda File, observed the behavior in sea rocket (Cakile edentula), a member of the mustard family native to beaches throughout North America, including the Great Lakes. So should gardeners arrange their plants like they would plan the s...

Gene responsible for common hearing loss identified for first time

...also lead to prevention strategies. Ms Thys and her team decided to study a gene called TGBF1 which they already knew had non-genetic indications of involvement in otosclerosis: it plays a role during embryonic development of the ear and is expressed in otosclerotic bone. They used SNP (single nucleo...

CU study reveals why starling females cheat

...n female) is caught cheating, the partner punishes her by doing less work in raising the chicks, or in extreme cases, leaves her to raise the chicks on her own. But because superb starlings, a bird common to East Africa, are coop...

Putting feelings into words produces therapeutic effects in the brain

... a technique in which one pays attention to his or her present emotions, thoughts and body sensations, such as breathing, without passing judgment or reacting. An individual simply releases his thoughts and “lets it go.” “One way to practice mindfulness meditation and pay attention to present-moment e...

Mule deer moms rescue other fawns

...whitetail mother waits to assess whether a fawn is her own before she steps in to defend it. As a result, whitetail fawns suffer considerably more predation during the first months of life than do mule deer fawns." Mule deer may have developed a more effective aggressive defence because they rely on f...

Lessons from the orangutans: Upright walking may have begun in the trees

...ally every move the orangutans made. Then, she and her colleagues used these observations to test the hypothesis that bipedalism would have benefited tree-dwelling ape ancestors. Because these ancestors were probably fruit-eaters, as orangutans are, they would have needed a way to navigate the thin, f...

Scientists discover 5 new species of sea slugs from the Tropical Eastern Pacific

...st D. Ross Robertson. It took Hermosillo and her collaborators two more years to identify the anima... Cuthona millenae, named for Sandra Millen for her knowledge of Pacific nudibranchs, was collected from under a rock at 19m depth in the Bahia de Bande...

US control strategies may make flu epidemics worse, UCLA study shows

...aracteristics drive human behavior." Blower and her group used people's attitudes toward the seasonal flu to construct their model. With seasonal flu, protective immunity ?a flu shot ?lasts only one year. Thus, individuals must decide each year whether or not to participate in a vaccination program. ...

WHO data confirms low level of resistance to Tamiflu

...ment dose was provided, the patient recovered from her illness. Again this resistant virus was shown to cause less severe infection and was less capable of transmission. In the other two cases, the recommended dose and duration of oseltamivir was followed.4 However, while one patient received treatment o...

Percutaneous aortic valve replacement safe, successful in high-risk patients

...luate the CoreValve system, Anita Asgar, M.D., and her colleagues at Montreal Heart Institute recruited 17 elderly patients with a severely narrowed aortic valve, all of whom had been turned down for surgery because of other health problems. In severe narrowing, or stenosis, of the aortic valve, the hear...

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

...sticides in the organisms of pregnant women In her study, through the analysis of the placentas, López studied the presence of 17 endocrine disruptive organochlorine pesticides (i.e., pesticides which interfere with the proper performance of the hormonal system). The results showed that the most freq...

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