Keep it open for aesthetics or closed to avoid mold? Here's how to keep your shower fresh, no matter your choice.

Today's super-resolution microscopes have made it possible to observe the nanoscale world with unprecedented detail. However, they require fluorescent tags, which reveal structural details but provide ...

(Electron microscopes ... Lately, microscopy has been greatly enhanced by digital image processing. For microscopists as well as ordinary shutterbugs, digital photographs are quicker and cheaper ...