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Sex—perhaps a good idea after all
05-12-2007 · Science News OnlineA family of mites may be the first animal lineage shown to have abandoned sexual reproduction and then reevolved it millions of years later.
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Keywords: sex, perhaps, good, idea, perhap
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- Painkillers may threaten power of vaccines
11-28-2006 · EurekAlert!
With flu-shot season in full swing and widespread anticipation of the HPV vaccine to prevent cervical cancer, a new University of Rochester study suggests that using common painkillers around the time of vaccination might not be a good idea.
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- Older African-American men with HIV often have sex without condoms
10-15-2007 · EurekAlert!
Study of 130 African-American men with HIV found that 38 percent didn't use condoms during oral sex, 25 percent during vaginal sex and 22 percent during anal sex, despite good knowledge about HIV and AIDS. Single men with fewer symptoms were most likely to engage in unsafe sex. This is a worrying finding, say the Philadelphia-based authors, as US figures for 2005 show that 44 percent of all new cases of HIV were in black males.
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- Good information? It's not all about the brain
10-26-2006 · EurekAlert!
An Indiana University neuroscientist and University of Tokyo roboticist have figured out a way to model the popularly accepted idea that it takes all types of sensory information to help us make sense of our environments.
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- Sex, sugar and metabolic disease
11-08-2007 · EurekAlert!
Overweight children and adults have low blood levels of the protein SHGB, which transports sex steroids and regulates their tissue entry. Low levels of SHGB are a marker of the metabolic syndrome, a medical disorder that increases an individual's risk of developing type 2 diabetes and heart disease. New research in mice and in vitro using human cells provides an explanation as to why low SHGB levels are a good marker of the metabolic syndrome.
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- Violent sex acts boost insect's immunity system
12-04-2007 · EurekAlert!
The long-held idea that only vertebrates have sophisticated adaptive immune systems that can protect them for life against many pathogens after being infected by them just once has been revised in recent years. It turns out that many insects also have a form of immune memory that protects them against reinvasion by a pathogen they have previously encountered.
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- Surgeons are taller and better looking than other doctors
12-21-2006 · EurekAlert!
Surgeons are taller and more handsome than physicians, finds a study in this week's Christmas issue of the BMJ.Doctors at the University of Barcelona Hospital noticed that the tallest and most handsome male students were more likely to go for surgery, and the shortest (and perhaps not so good looking) ones were more likely to become physicians.
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- How will crop producers and Congress respond to higher prices?
10-17-2006 · EurekAlert!
Wheat, corn and soybean prices, which have moved higher since mid-September, have implications for the production plans of farmers and perhaps for farm policy, said a University of Illinois marketing specialist. "One of the questions generated by high prices is: How will U.S. and world producers respond? A second question is: How will Congress respond?" said Darrel Good.
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- Which came first, the moth or the cactus?
08-13-2007 · EurekAlert!
It's not a good idea to put all your eggs in one basket -- unless you're a senita moth. Found in the parched Sonoran desert, the moths have a rare, mutually dependent relationship with senita cacti, one of only three known dependencies in which an insect actively pollinates flowers for the purpose of assuring a food resource for its offspring. Rice University ecologists are using the relationship to test new theories of community ecology.
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- Virus used to create experimental HIV vaccines directly impairs the immune response
11-15-2007 · EurekAlert!
Leading efforts to create an HIV vaccine have hinged on the use of viruses as carriers for selected elements of the HIV virus. Recently, however, evidence has emerged that some of these so-called viral vector systems may undermine the immune system and should not be used for vaccine development. Now, a new study from scientists at the Wistar Institute provides strong support for the idea that some viral-vector vaccines may cause more harm than good.
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- With fruit fly sex, researchers find mind-body connection
11-30-2006 · EurekAlert!
The fruit fly gene "doublesex" is responsible for ensuring that male flies look male and females look female. New Brown University research led by biologist Michael McKeown shows that doublesex not only helps shape bodies but also shapes behavior, acting with together with the gene "fruitless" to guide flies' courtship routines and responses. The finding, published in Nature Genetics, shows that sexual development in flies -- and, perhaps, in humans -- is a more complicated proposition than previously thought.
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