When the sympathetic nervous system is activated, it will help simultaneously change the behavior of the heart, lungs, eyes, brain, digestive system, adrenal glands, bladder, and skeletal muscles. All of this is done to achieve one goal - survival... <a href="http://www.organiclifestylemagazine.com/the-gut-brain-connection-how-it-affects-your-life" rel="nofollow">[read]</a>
Under the Microscope, Some Things Look Too Crazy to Be Real
Part of a series that ended up producing last year's third-place Olympus Bioscapes contest photo, this image of a fern common fern shows its spore-enclosing sporangia, which are in turn covered by protective hairs called paraphyses.
"The red area is a milk duct surrounded by connective tissue in a biopsy from a patient with breast cancer. Connective tissue cells are green and collagen fibres are turquoise. Confocal microscopy and second harmonic generation by Arthur Chien, Ellie Kable, and Dr. Lilian Soon, University of Sydney. (Australian Microscopy and Microanalysis Research Facility.)