The social-media platform was designed to attract young Cubans and get them to rebel against the country's communist government.
Engineers at Caltech say that their approach -- computing their way past optical limitations -- could bring high-performance microscopes to medical clinics in developing countries.
An iPhone outfitted with a cheap ball lens showed 70 percent sensitivity in finding worm eggs.
The ProScope Micro Mobile by handheld digital microscope manufacturer Bodelin starts shipping on May 1 for $149.
Nikon releases the results of its annual Small World Photomicrography Competition, and algae, larva, and bat embryos have never looked so good.
The iPhone microscope can, with its built-in camera, capture hi-def medical images.