Engineers built E-BAR, a mobile robot designed to physically support the elderly and prevent them from falling as they move around their homes. E-BAR acts as a set of robotic handlebars that follows a ...

Cell architecture is dictated by the systems that control the size, number, position and shape of individual organelles. Organelle size can be controlled by molecular rulers, quantal synthesis of ...

This story is part of Planet or Plastic?—our multiyear effort to raise awareness about the global plastic waste crisis. Learn what you can do to reduce your own single-use plastics, and take your ...