12:22, Mon, Jan 23, 2017 Updated: 10:36, Mon, Jan 30, 2017 Ohio State University astronomer Jennifer A Johnson has given a creative twist to the periodic table by highlighting the origin of each ...

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 ...

The periodic table of chemical elements hangs in front of chemistry classrooms worldwide and is an icon for science. Yet much was unknown about its history -- until now. The periodic table reflects ...

Editor's note: The following is a text-only version. The complete version with artwork is available for purchase here (PDF). The periodic table of the elements is one of the most powerful icons in ...

One hundred fifty years after Russian chemist Dmitri Mendeleev published his system for neatly arranging the elements, the periodic table it gave birth to hangs in every chemistry classroom in the ...

Ohio State University astronomer Jennifer A Johnson has given a creative twist to the periodic table by highlighting the origin of each element. The average person is made up of around seven octillion ...