Think the current Periodic Table of chemical elements are neat and elegant? When it first debuted in the mid-nineteenth century, it looked nothing like what it is now: it only has 60 elements and ...

I entered the Yale Medical Historical Library with the smell of tert-butyl methyl ether still lingering, phantom-like, from the organic chemistry lab I had just left. Tucked away in my lab notebook ...

In 1869, a professor at the University of St. Petersburg, Russian chemist Dmitri Mendeleev (1834–1907), devised a diagram in which he arranged the approximately 60 known chemical elements by order of ...

This holiday is being celebrated for the first time this year on 7 February with the goal being to promote the challenges that were overcome to develop the current periodic table. The day has been ...

About the student asking the question: She is a sophomore at Corning-Painted Post. Leah wants to be a physical therapist. She enjoys swimming, music, drama, hiking, and visiting national parks.