The periodic table stares down from the walls of just about every chemistry lab. The credit for its creation generally goes to Dimitri Mendeleev, a Russian chemist who in 1869 wrote out the known ...

You might not have used the periodic table, but the chances are you'll have seen it. It's known all over the world and when it was created it was a massive step forward for helping scientists to ...

Helium is the second-most common element in the universe, but it's comparatively rare on Earth. It also fulfills a surprising role in everything from space exploration to quantum computing. Short Wave ...