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We’ve all been there – there’s one piece of cake left in the fridge and your roommates are out. Do you eat the cake by yourself? Or do you find a way to share? Biologists at the Kunming Institute of Zoology and Harvard University have come up with a plan to study how and when cooperation comes about.
Most of us are familiar with the honey bee – one of the most highly cooperative animals... more |
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| In 2004, public health agencies estimated that over 3 million people worldwide suffer from asthma and rhinitis, and pointed out that most children with allergies are allergic to dust mites. This association is not surprising—dust mites are among the leading triggers asthma and rhinitis, and are the bane of patients with respiratory diseases. Over 2% of children are allergic to them, and if the... more |
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| Acne, or acne vulgaris, which is also been called blackheads, blemishes, whiteheads, pimples or zits, is a skin problem commonly seen in adolescence. Acne affects mostly skin with the densest population of sebaceous follicles, such as the face, neck, upper part of the chest, and back. Its symptoms are various depend on how serious the acnes are, including harmless, noninflammmatory or inflammat... more |
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| Human brain is the most remarkable hallmark that differentiates human from other animal, including non-human primates. Over the centuries, numerous researches have been conducted to try to find out the secrets behind the dramatic increase in brain size and its sophisticated cognitive abilities. But, unfortunately, due to the complexity of brain and the ethical issue, little has been known, espe... more |
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| Trefoil factors (TFF) are multi-functional peptides that are synthesized and secreted by mucin-secreting epithelial cells in amphibians and vertebrates. They are highly conserved in evolution, and are characterized by heat and enzymatic digestion resistance. Mammalian TFFs have three members (TFF1-3), the gastric peptides pS2/TFF1 and spasmolytic peptide (SP)/TFF2, and the intestinal trefoil fa... more |
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