A century and a half ago, a Russian chemistry professor published a classification of all the known elements, organized by atomic weight. Today, the system that he created for his students — plus some ...

Credit for the periodic table of the elements generally goes to Dimitri Ivanovich Mendeleev, but a specialist in the history and philosophy of chemistry says the Russian chemist probably peeked at the ...

Today’s quote of the day is by Dmitri Mendeleev. Learn its deeper meaning, why it still matters today, and how you can apply it in everyday life.

Early periodic tables were incomplete, since many elements were unknown. Also, some elements were placed in groups with elements that were not similar to them. Mendeleev left gaps in his table for ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The periodic table stares down from the walls of just about every chemistry lab. The credit for its creation generally ...

Advocates of the liberal arts approach to education will love the historical and political backdrop painted by biographer Michael D. Gordin to illustrate the culture of 19th-century Russia during the ...

Everybody remembers trying to learn the periodic table in science lessons at school. The table is one of the fundamental building blocks of chemistry, explaining the relationship between different ...

The periodic table has become an icon of science. Its rows and columns provide a tidy way of showcasing the elements—the ingredients that make up the universe. It seems obvious today, but it wasn't to ...

The periodic table merges scientific inquiry, international politics, hero worship, desires for structure and desires for credit. Formally, the modern periodic table is a systematic arrangement of the ...

Russian chemist may have peeked at predecessor's work, but he still should get credit for modern chemistry, says author. Michael Kanellos is editor at large at CNET News.com, where he covers hardware, ...