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 ...

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 ...

Most people wouldn't describe the periodic table of elements as gripping, but Sam Kean makes it just that in his new book, The Disappearing Spoon. Fun And Intrigue With The Periodic Table Most people ...