It’s an everyday occurrence. A little tickle in your throat, a wayward speck of pollen, perhaps — or a bit of water traveling down the wrong pipe — and then a full-on chain reaction in your body. ...
Taking a design cue from the animal world, mimicking a porcupine quill might help make a more effective—and less painful—needle.
Get up close and personal with blood — the key to your body’s oxygen transport and immunity — with five peeks inside your veins, featuring molecules seen at thousands of times their actual size.
Crystallography — the study of the arrangement of crystals to uncover the form and function of molecules, all the way down to atomic structure — is a driving force in our understanding of how biological processes work.