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Chronic exposure to UV light, which causes #tanning, may be addictive. Such exposure causes the production of beta-opioid, which provides analgesic (pain killing) relief. However, opioids are addictive, and as this study shows, chronically UV exposed mice showed clear symptoms of withdrawal after the UV application was stopped. #science #cell http://www.sciencedirect.com/science/article/pii/S0092867414006114

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#FireAnts #SelfAssemble into structures such as: (A) rafts, (B) hanging columns, (C) bivouacs, (D) escape droplets and (E) towers (upper left). The dedicated authors of this work used #ElectronMicroscopy, micro-CAT scanning, and modeling to figure out just what it takes to achieve these cooperative living architectures.#science #animalbehavior #jeb http://jeb.biologists.org/content/217/12/2089.full

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This is an entire #Zebrafish #brain. Every #neuron is being imaged simultaneously while the animal is responding to the presentation of various directions of motion (inset arrows). The fish tries to align his swimming body so that the motion is flowing under him from head-to-tail. The colors of the neurons indicate their preference for motion direction. This beautiful "chemistry of stars" was presented by #JeremyFreeman back in May at #VSS2014, he works at #JaneliaFarms on a variety of cool projects. #science #neuroscience #CalciumImaging via http://www.jeremyfreeman.net