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Chroococcus_Oggi_8897a by Wayne Lanier PhD on Flickr.

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Anabaena_HMC1000_9727a by Wayne Lanier PhD on Flickr.

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Sponge cross section, 100x by Marc Perkins - OCC Biology Department on Flickr.

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Sponge cross section, 200x by Marc Perkins - OCC Biology Department on Flickr.

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just another new neuron by Functional Neurogenesis on Flickr.

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untitled by Fernan Federici on Flickr.

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ZEISS Smartzoom 5 by ZEISS Microscopy on Flickr.

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This is sand photographed at 400x magnification!  Photo credit: Yanping Wang

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I’m really into those biconcave discs

colored SEM

credit: Steve Schmeissner

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This is the center of a flower photographed at approximately 4.7x magnification. The numerous yellow and a few white specks you can see are the flower’s pollen.

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Sunflower pollen | ©Louisa Howard-FEI Company

Pollen of the Common Sunflower,  Helianthus annuus (Asterales - Asteraceae).

Magnification: 1410x

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Retinoblastoma by santoshpath on Flickr.

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fusobacterium embedded in a matrix of glycoprotein

this is the fancy way of saying “dental plaque”

excuse me while I go brush my teeth for 23 minutes

colored SEM, 260x

credit: Steve Schmeissner

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2013 Cool Science Image Contest Winners

Beta Catenin in Prostate Cancer

Beta catenin (CTNNB1) plays an important role during prostate cancer in humans and mice. In transgenic mice, where CTNNB1 is induced in the prostate, a cluster of cells expressing high levels of beta catenin protein (red) are observed. These cells have the unique capability to alter the adjacent microenvironment by attracting other cellular layers towards it, as stained by the basal layer protein- laminin (green) and nuclei (blue). Mouse models such as this are increasingly being used to understand how CTNNB1 plays a role during normal prostate development and at the same time help to understand how these cells communicate and interact with their surrounding environment. Vatsal Mehta, staff, Comparative Biosciences Department

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Gersemia and amphipoda by Alexander Semenov on Flickr.

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Klebsiella pneumoniae Bacteria

A human neutrophil interacting with Klebsiella pneumoniae (pink), a multidrug–resistant bacterium that causes severe hospital infections.

Image Credit: NIAID

Source

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immune cell communication by FEI Company on Flickr.

Via Flickr: Dendritic cells stimulated with adjuvant silicon microparticles interact with T cells. Courtesy of Rita Serda Image Details Instrument used: Nova NanoSEM Family Magnification: 16,000x Horizontal Field Width: 18.9 um Voltage: 10 keV Spot: 3.0 Working Distance: 4.9 mm Detector: SE