13 March 2019
Vol 11, Issue 483
  • Perspective

    • “Inactive” ingredients in oral medications

      Inactive ingredients in oral medications are generally poorly appreciated, and many include materials associated with adverse reactions in patients.

  • Research Article

  • Report

    • A gastric resident drug delivery system for prolonged gram-level dosing of tuberculosis treatment

      A retrievable device, compatible with nasogastric tube administration, releases grams of drug over weeks while residing in the stomach.

  • Research Articles

  • Editors' Choice

About The Cover

Cover image expansion

ONLINE COVER Imaging Contractions. Monitoring uterine contractions is critical for reducing the risk of complications during labor, but current methods are invasive and lack spatial and temporal precision. Wu et al. have developed an imaging technique called electromyometrial imaging (EMMI) that can noninvasively generate high-resolution, three-dimensional (3D) electrical potential maps during uterine contractions. EMMI enabled visualization of the initiation and propagation of uterine contractions with high resolution in pregnant sheep. The image shows the uterine myometrial electrical signals in the background with a superimposed 3D reconstruction of the sheep uterus during contractions in the foreground (red and blue represent areas of greatest contraction). [CREDIT: WU ET AL./SCIENCE TRANSLATIONAL MEDICINE]