An injectable "Jello" that dissolves over time could end the need for daily shots. But researchers first have to get around a fundamental law of nature.

See how incredibly tiny micromachines made from metal and plastic move according to their shape. They're a step toward better drug delivery.

A new nanoparticle derived from chitin, a polymer that makes up shrimp shells, could offer a way to safely deliver anti-cancer drugs to tumor sites.

"Theragripper" devices the size of dust specks inspired by worms could deliver drugs directly into a patient's intestines, researchers report.

A microrobot as small as a few human hairs can do flips through the colon to deliver drugs. Check out the video to see it in action.

A new wearable patch for treating melanoma dissolves quickly while leaving tiny needles that deliver chemotherapy drugs over time.

Scientists have now published the first peer-reviewed study on a potential vaccine against SARS-CoV-2. They've tested the microneedle array on mice.

A new kind of ink for 3D printing liquifies when pressed through the nozzle of a 3D printer, but then quickly returns to its original shape.

Mixing tiny "STAR particles" into a cream could offer better treatment for skin diseases like psoriasis or certain kinds of skin cancer, say researchers.

A new peelable film can deliver vaccines without refrigeration. Just put the strip on your tongue.