Posted: June 21, 2025 | Last updated: June 21, 2025 The curious minds at What If reveal how trying to build your own periodic table could go terribly wrong.

Sur La Table's general manager Candace Rice and chef D.C. Bland joins 12News in the studio to tell us all about summer cooking classes for teens.

The periodic table of elements, or Mendeleev’s table, was created in 1869 by Russian chemist Dmitri Mendeleev. This table organizes all known chemical elements by their atomic number, or the ...