New insight into the behaviour of atomic nuclei may explain how gigantic star explosions, or supernovas, have formed the elements that are crucial to humankind. Ground-breaking research in nuclear ...

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 ...

When you eat food, drink liquids, or even breathe in the air, many of those atoms wind up getting incorporated to your body. When you sweat, exhale, and either secrete or excrete matter from your body ...