Elements heavier than uranium don’t exist naturally on Earth. Researchers make these massive elements at the end of the periodic table by smashing existing atoms together in particle accelerators.

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 ...

Out of the annals of history comes this doozy. A man by the name of Theodore Gray is a co-founder of Wolfram Research, best known as the creator of Wolfram Alpha, the two-year-old computational answer ...