There are 118 elements on the period i c table, and you might think we are made up of many of them. But that's not the case; the complex systems that make up our bodies have a surprisingly simple ...

The body is, for all intents and purposes, an extraordinarily complex machine. This requires a multitude of parts all working together in complicated relationships from the micro- to macromolecular ...

Editor’s Note: This story is part of CNN’s coverage of Black History Month and its ongoing commitment to honoring unsung heroes. While other seventh graders hung ’90s pop band and movie posters on ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

In a significant breakthrough for the scientific community, a new element has been confirmed on the periodic table. This discovery holds potential implications for a wide range of scientific fields, ...

Gray's Anatomy (the book, not the TV show) was the first comprehensive attempt to map evolved human physiological adaptations — the organs of the human body. Imagine a similar effort to map human ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...