CT scans and MRIs, ultrasounds, and X-rays. Welcome to the world of the radiologist, the specialist who interprets the medical images provided by some amazing technology. The narrator of a short video, a cardiac radiologist, describes...

Why is the spin of a black hole important? Scholars explore spinning black holes and how they relate to momentum, matter, and mass. They investigate the different parameters that are used to measure black holes by understanding how...

How are radiologists like superheroes? Answer: They have X-ray vision and can do math. A short three-minute video and an associated lesson focus on how radiologists use math in their professional lives. It tasks learners with performing...

Seeing is believing! But, how can something as tiny as an atom be made visible? Explore the history of the atom with a video from the American Chemical Society's Reactions playlist. Content includes early concepts of the atom, as well as...

What do science scholars need to know about electromagnetic radiation? Get in depth with standard PS4B from the Next Generation Science Standards. The narrator discusses the parts of the electromagnetic spectrum, wave and particle...

Is all radiation harmful? The video's narrator interviews unsuspecting citizens to get their take on radiation sources and effects. The resource includes a breakdown of types of radiation and whether each type is capable of causing us harm.

Turn to the dark side! Learners discover the facts about the matter you can't see and can't interact with, yet, it may make up 85 percent of the universe. The narrator explains what we know about dark matter, how it changes the behavior...

Worlds within worlds! Journey to galaxies near and far with a thought-provoking video. Young astronomers learn how scientists detected very distant galaxies using their electromagnetic signatures far outside the visible range. Other...

This is one heavy video! Introduce the topic of neutron stars with a brief but informative resource. Young astronomers discover the history of neutron star research, the conditions present in and around a neutron star, and the...

How and why barium is used in X-rays is the focus of a video that also describes the similarities with bones, the insolubility, and the medical applications of this element.

The rules related to solubility of salts are explained in a video that shows the solubility table that summarizes them and concludes with why this information is important to know.