ScienceDaily Top Science Headlines
for Saturday, October 16, 2010
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What did Tyrannosaurus rex eat? Each other (October 15, 2010) -- It turns out that the undisputed king of the dinosaurs, Tyrannosaurus rex, didn't just eat other dinosaurs but also each other. Paleontologists from the United States and Canada have found bite marks on the giants' bones that were made by other T. rex, according to a new study. ... > full story
Small BMI change in overweight children could have big blood pressure impact (October 15, 2010) -- Small changes in weight can make bigger differences in the blood pressure for overweight children, compared to those at normal weight, according to a new study. ... > full story
New look at multitalented protein sheds light on mysteries of HIV (October 15, 2010) -- New insights into the human immunodeficiency virus (HIV) infection process, which leads to acquired immunodeficiency syndrome (AIDS), may now be possible through a research method that allows scientists to glimpse an important protein molecule's behavior with unprecedented clarity. ... > full story
Gynecologist disputes findings from global study of ovarian cancer (October 15, 2010) -- A gynecologic oncologist is warning that the results from a long-awaited global study of ovarian cancer should be viewed cautiously. ... > full story
Cancer screening made simple, thanks to micro-fluidic technology (October 15, 2010) -- Current cervical cancer screening is time consuming and expensive, but now new breakthrough technology developed by European researchers should allow large-range screening by non-medical personnel with almost immediate results and at a much lower cost. ... > full story
Beauty is in the eye of the beholder the world over (October 15, 2010) -- Western culture is increasingly obsessed with physical appearance and beauty, but vanity is nothing new, nor is it limited to just one culture. Moreover, differences in our perception of physical beauty have an enormous impact on the fashion, cosmetics, and weight control industries, and more recently on aesthetic surgery trends. Understanding how culture and region alter the perception of beauty is therefore not only of anthropological and social interest but underpins multibillion dollar industries across the globe. ... > full story
Squid studies provide valuable insights into hearing mechanisms (October 15, 2010) -- The ordinary squid, Loligo pealii -- best known until now as a kind of floating buffet for just about any fish in the sea -- may be on the verge of becoming a scientific superstar, providing clues about the origin and evolution of the sense of hearing. ... > full story
Eat safer: Novel approach detects unknown food pathogens (October 15, 2010) -- Researchers have developed a novel approach to automated detection and classification of harmful bacteria in food. The investigators have designed and implemented a sophisticated statistical approach that allows computers to improve their ability to detect the presence of bacterial contamination in tested samples. ... > full story
Changing the color of single photons emitted by quantum dots (October 15, 2010) -- Researchers have demonstrated for the first time the conversion of single photons produced by a true quantum source to a near-visible wavelength. The ability to change the color of single photons may aid in the development of hybrid quantum systems for applications in quantum communication, computation and metrology. ... > full story
Not all doctors follow cancer screening guidelines, study finds (October 15, 2010) -- Only one-fifth of primary care physicians in the US follow practice guidelines for colorectal cancer screening for all the tests they recommend, according a new study. About 40 percent followed guidelines for some of the tests they recommended and the remaining 40 percent did not follow guidelines for any of the screening tests they recommended. ... > full story
Computers to read your body language? (October 15, 2010) -- Can a computer read your body language? A consortium of European researchers thinks so, and has developed a range of innovative solutions from escalator safety to online marketing. ... > full story
Study confirms: Whatever doesn't kill us can make us stronger (October 15, 2010) -- We've all heard the adage that whatever doesn't kill us makes us stronger, but until now the preponderance of scientific evidence has offered little support for it. However, a new national multi-year longitudinal study of the effects of adverse life events on mental health has found that adverse experiences do, in fact, appear to foster subsequent adaptability and resilience, with resulting advantages for mental health and well being. ... > full story
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