There are many different versions of the periodic table, but one among them reigns supreme. Michelle Francl ponders on why chemists put elements in boxes. The postcard to me began '53 90.8.92.g.1.t'.

Wow! The International Year of the Periodic Table started with a bang at C&EN. There is already so much activity surrounding IYPT that we can hardly contain our excitement. There is no doubt that 2019 ...

Move over Mendeleev, there’s a new periodic table in science. Unlike the original periodic table, which organized the chemical elements, the new periodic table organizes protein complexes, or more ...

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 ...