Explore the periodic table! Discover the history and key facts about each element, including atomic number, mass, symbol, and the scientists who discovered them.

Plutonium (Pu) exhibits one of the most diverse and complex chemistries of any element in the periodic table. Since its discovery in 1940, scientists have synthesized and studied many different types ...

On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table. He ...

Lake Wenatchee State Park sits just 16 miles from Leavenworth, Washington, yet somehow remains one of the state’s best-kept ...

But nope, it’s all gloriously real – and it’s right here in Washington’s backyard. The park sits at the headwaters of the ...

Do you have blue eyes? We talked to experts to discover curious facts about baby blues. Like, are all blue-eyed people related?