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Traditionally, close-up photographers attempt to isolate subjects from the background. But with wide-angle close-ups, the background becomes an important part of the image, conveying environmental context and creating a story. [...]

My first attempt at star-trail photography was on film. I used 'bulb' to leave the shutter open, my ISO was low and I hoped for the best. Modern digital cameras [...]

Background. Crystaglobulinemia syndrome (CS) is a rare vasculopathy that may arise as a complication of multiple myeloma (MM). Methods and Results. A patient with multiple myeloma in whom crystaglobulinemia syndrome was the initial manifestation with polyarthralgias, cutaneous ulceration, and lower limb ischemia requiring bilateral amputations is reported. Conclusion. The rare syndrome of crystalglobulinemia may be associated with multiple myeloma, so it is important that clinicians be aware of this syndrome and its clinical and morphologic features. Cancer 1993; 71:1231-4.

This article from N-Photo discusses the author's experience using the Nikon Z 8 camera to capture butterflies in flight. The author shares their settings and techniques for successfully photographing butterflies, emphasizing the importance of observing the subject and understanding its flight patterns. They also provide tips for maintaining focus and reacting quickly to capture the moment. The article concludes with instructions for blending the sequence of images in post-processing. The author's photographs demonstrate the capabilities of the Nikon Z 8 camera. [Extracted from the article]

Daniel I Loube, MD, FCCP(*); Nigel J Ball, D Phil; Douglas F Schmidt, PhD and Paula J Nehring, LRCP. Sleep Disorders Center, Virginia Mason Medical Center, Seattle, WA. PURPOSE: To [...]

PURPOSE: Despite nearly 100% efficacy as a treatment for obstructive sleep apnea (OSA), continuous positive airway pressure (CPAP) adherence is known to be only 40% to 70%. The sensation of [...]