Present the periodic table without warning to a room full of people and the reactions are likely to be diverse. There’ll be those whose faces break instantly into expressions of warm recognition, with ...

In a market flooded with 10-step routines and viral beauty trends, The Ordinary is taking a bold stance against misleading ...

Two weeks ago, we showed off our favorite entries in C&EN’s “I Spy a Periodic Table” photo contest. And we gave readers a chance to pick a favorite of their own in an online poll. It was a tight race, ...

The periodic table of the chemical elements is a tabular method of displaying the chemical elements, first devised in 1869 by the Russian chemist Dimitri Mendeleev. Mendeleev intended the table to ...

This ACS/NSF colloquium was held on Wednesday, November 20 at the National Academy of Sciences in Washington, DC. The event was generously supported by a grant (CHE-1937824) from the National Science ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

When a small piece of sodium is placed in a petri dish with water and phenolphthalein, the sodium becomes a molten ball and darts around the dish, leaving a pink trail. The reactions of potassium, ...

In their momentary life span, atoms of lawrencium, element 103, may have left a lasting impression on the structure of the periodic table. For the first time, researchers have measured a basic ...

Every field of science has its favorite anniversary. For physics, it’s Newton’s Principia of 1687, the book that introduced the laws of motion and gravity. Biology celebrates Darwin’s On the Origin of ...