Using ultrasounds, inspecting tentacles, and making protective vests for penguins is all in a day’s work for aquatic biologist Pamela Schaller Hughes. Learn how she designs aquarium exhibits for endangered …

Where will astronauts live when they land on Mars? That’s the problem @NASA_Marshall engineer Erick Ordoñez helps to solve through 3D printing in his Cool Job. Episode filmed live at …

Fire tornadoes and color changing liquids are all part of what keeps Annopa Singh’s chemistry class engaged. Science teachers prepare tomorrow’s pioneering scientists. Episode filmed live at the 2017 World …

Have you ever spent hours looking for something you just know is there, only to be doubted? In 1987, most astronomers thought there was nothing in the outer solar system, …

We spend a third of our lives asleep. Every organism on Earth—from rats to dolphins to fruit flies to microorganisms—relies on sleep for its survival, yet science is still wrestling with a fundamental question: Why does sleep exist?

The first electron microscopes enabled scientists to finally view the nanoworld. But because of limitations in the microscope’s lenses, achieving sharp images of individual atoms was not possible. For 60 …