There are only a few developments that have organized the way we see the world. There is the classification system of the life sciences, which separated the natural world into kingdoms. There is the ...

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 ...

The 150-year-old Periodic Table of the Elements may not look the same as when people were introduced to it in their first science class. And Eric Scerri, chemistry professor, author and expert on the ...

The Periodic Table of Chemical Elements, which was first published by Russian scientist Dmitri Mendeleev on Feb. 17, 1869, is celebrating its 150th anniversary this year. To mark the occasion, the ...

After learning the names of the elements when she was two, three-year-old Rose from Seattle has now memorized Tom Lehrer’s classic paean to the periodic table. Who knew somebody could make Yttrium ...