News tagged with evolutionary events
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Search results for evolutionary events
Poisonous Poisson
Dec 04, 2009 |
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In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species, published in the ...
Scent signals stop incest in lemurs
Dec 02, 2009 |
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Chemical identifiers secreted from the genital glands of lemurs, allow them to avoid incest and also to engage in nepotism. Researchers writing in the open access journal BMC Evolutionary Biology have identified the smells ...
Male and female shopping strategies show evolution at work in the mall
Other Sciences / Social Sciences
Dec 02, 2009 |
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Male and female shopping styles are in our genes---and we can look to evolution for the reason. Daniel Kruger, research faculty at the University of Michigan School of Public Health, says it's perfectly natural that men often ...
By feeding the birds, you could change their evolutionary fate
Dec 03, 2009 |
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Feeding birds in winter is a most innocent human activity, but it can nonetheless have profound effects on the evolutionary future of a species, and those changes can be seen in the very near term. That's ...
Patients can safely skip pre-surgery stress tests and beta blockers
Dec 02, 2009 |
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Physicians should "throttle back" from routinely ordering stress tests and prescribing beta blockers to patients before non-cardiac surgeries, according to a report by the University of Michigan released online this week.
Severe asymptomatic heart disease may accompany narrowing in leg arteries
Dec 01, 2009 |
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Results of a randomized, controlled clinical trial presented today at the annual meeting of the Radiological Society of North America (RSNA) reveal that one in five patients with narrowing or blockage in arteries that supply ...
Ambulatory surgical centers may exceed performance of hospitals for certain procedures
Dec 01, 2009 |
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Measuring five quality-base performance areas, an ambulatory surgical center out performed a standard hospital based surgical center in otolaryngic surgeries, according to new research in the December 2009 issue of Otolaryngology - ...
Carbon and oxygen in tree rings can reveal past climate information
Space & Earth / Earth Sciences
Dec 03, 2009 |
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The analysis of carbon and oxygen isotopes embedded in tree rings may shed new light on past climate events in the Mackenzie Delta region of northern Canada.
Researchers demonstrate nanoscale X-ray imaging of bacterial cells
5 hours ago |
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An ultra-high-resolution imaging technique using X-ray diffraction is a step closer to fulfilling its promise as a window on nanometer-scale structures in biological samples. In the Proceedings of the National Ac ...
Higher risk for heart disease and diabetes associated with androgen deprivation therapy
3 hours ago |
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Men of all ages treated for prostate cancer with androgen deprivation therapy, specifically with gonadotropin-releasing hormone agonists (GnRH), have an increased risk of diabetes and cardiovascular disease, according to ...
List of search results for evolutionary events
