Twitter/@keola_vWell, this was probably inevitable. N.C. State fans really, really don’t like North Carolina, and many have gotten a lot of joy out of the recent academic scandal in Chapel Hill. We’ve seen many fans get custom license plates, many of which are used to taunt rival fans. This “[email protected]” license plate was bound to be made—the only real question was whether a Duke fan would be a State fan to the punch.School spirit I guess, lol #ncst #unc #wolfpack #tarheels #acc #ncstate #Duke pic.twitter.com/RrLYLryobI— Keola Victorino (@keola_v) July 7, 2015We’re sure the Tar Heels fans in the area really appreciate seeing this on their daily commute.
PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality0SpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×Exit fullscreenEnter fullscreen (PhysOrg.com) — Ever since scientists began studying the brain, they’ve wanted to get a better look at what was going on. Researchers have poked and prodded and looked at dead cells under electron microscopes, but never before have they been able to get high resolution microscopic views of actual living brain cells as they function inside of a living animal. Now, thanks to work by physicist Stefan Hell and his colleagues at the Max Planck Institute in Germany, that dream is realized. In a paper published in Science, Hell and his team describe the workings of their marvelous discovery. Play STED time-lapse recording of a single spine at an interval of 10 seconds. The measurement includes 128 z-stacks consisting of 5 slices each. Most of the rapid remodeling of the spine head appears continuous and smooth at this frame rate. No damage is observed at the dendrite or the spine after recording a total of 640 slices. The movie was acquired in a different experiment than the spines in Fig.1. Scale bar = 1µm. Video: DOI:10.1126/science.1215369 The new microscope provides clear resolution down to 70 nanometers, which is four times that ever achieved before and is enough to allow scientists to see the actual movement of dendritic spines, which may help researches understand why they do so.It is likely that researchers will find many varied uses for the new microscope. One prominent area will almost certainly involve looking into what psychiatric drugs are really doing within synapses, perhaps leading to breakthroughs in pharmaceutical drugs that are better able to target specific illnesses.One downside to any new scientific breakthrough however, is the natural tendency of many to move from excitation, to wondering about what will come next. In this case, Hell and his team have already started contemplating ideas on ways to allow researchers to study any cell in the living brain at such high resolution, not just those that lie on the surface. © 2011 PhysOrg.com Citation: Renowned physicist invents microscope that can peer at living brain cells (2012, February 3) retrieved 18 August 2019 from https://phys.org/news/2012-02-renowned-physicist-microscope-peer-brain.html Explore further Schematic drawing of the upright STED microscope used for the experiments. Image: Science, DOI:10.1126/science.1215369 Physicist builds advanced microscope Hell (which in German means “bright”) and others at the Institute have been working for years on ultra high resolution microscopes that go by the name “stimulated emission depletion” or STED microscopes. Now, they’ve taken their work to a whole new level by cutting away a small portion of a mouse’s skull and replacing it with a glass window and then placing their latest STED microscope against the glass to peer inside. To make it easier to see what is what, the team first genetically altered the mouse to make certain brain cells fluorescent. Then, to allow for focusing exclusively on just those cells that are lit up, they added software to the microscope to blot out anything that was not lit up. The result is super high resolution real time imagery of the neurons that exist on the exterior part of a living mouse brain. Journal information: Science More information: Nanoscopy in a Living Mouse Brain, Science 3 February 2012: Vol. 335 no. 6068 p. 551. DOI: 10.1126/science.1215369ABSTRACTWe demonstrated superresolution optical microscopy in a living higher animal. Stimulated emission depletion (STED) fluorescence nanoscopy reveals neurons in the cerebral cortex of a mouse with <70-nanometer resolution. Dendritic spines and their subtle changes can be observed at their relevant scales over extended periods of time. This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.
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