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China's Earliest Modern Human Found

webdoodle Re:Letter to the Editor/Editorial Grievance (163 comments)

In case you didn't read my post, I said I've only been here for 3 weeks. Is there some hidden meaning in your post? Please elaborate.

more than 7 years ago

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Big brains arose twice in higher primates

webdoodle webdoodle writes  |  about 6 years ago

webdoodle (1081343) writes "Paleontologist takes a fresh look at an old fossil and determined that the brains of the ancestors of modern Neotropical primates were as small as those of their early fossil simian counterparts in the Old World. This means one of the hallmarks of primate biology, increased brain size, arose independently in isolated groups-the platyrrhines of the Americas and the catarrhines of Africa and Eurasia."
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Ice Age Triggered by Proximity to Sun

webdoodle webdoodle writes  |  more than 6 years ago

webdoodle writes "Analysis of Antarctic ice cores shows that the last four great ice age cycles began when Earth's distance from the sun during its annual orbit became great enough to prevent summertime melts of glacial ice. The absence of those melts allowed buildups of the ice over periods of time that would become characterized as glacial periods."
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webdoodle webdoodle writes  |  more than 7 years ago

webdoodle writes "The emerging field of metagenomics, where the DNA of entire communities of microbes is studied simultaneously, presents the greatest opportunity — perhaps since the invention of the microscope — to revolutionize understanding of the microbial world, says a new report from the National Research Council. The report calls for a new Global Metagenomics Initiative to drive advances in the field in the same way that the Human Genome Project advanced the mapping of our genetic code."
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webdoodle webdoodle writes  |  more than 7 years ago

webdoodle writes "Loud noise can cause hearing loss in humans due to loss or faulty development of the sensory hair cells inside the ear. Lost hair cells are not replaced and people exposed to these conditions face permanent hearing loss. Identification of the stem cells from the adult cochlea would be a major step forward to fixing hearing loss."
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webdoodle webdoodle writes  |  more than 7 years ago

webdoodle writes "Flavonoids, compounds found in plants that we enjoy in red wine, dark chocolate, green tea and citrus fruits, have been synthesized in lab. These compounds are thought to have anti-cancer benefits as well as life-span increasing affects."
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webdoodle webdoodle writes  |  more than 7 years ago

webdoodle writes "Researchers have found evidence that social interactions among young mice result from basic motivations to be with one another. What's more, the researchers say, the extent of a young mouse's gregariousness is influenced by its genetic background."
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webdoodle webdoodle writes  |  more than 7 years ago

webdoodle writes "Classifying micro-organisms is hard work, and the rules are changing all the time. Genomics may offer a new method of determining how and where creatures are classified. Though this research is directed toward microbes, it may one day apply to all taxonomy."

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