New research shows that a portable, battery-operated fluorescence microscope, which costs $240, stacks up nicely against devices that retail for as much as $40,000 in diagnosing signs of tuberculosis.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Compound monocular with push-tube ...

If you walked into a classroom laboratory you would probably see a cupboard full of microscopes, used maybe just a handful of times a year, old but still in good shape, clean and ready to go. Then ...