(THE CONVERSATION) If you want to know what happened in the earliest years of the universe, you are going to need a very big, very specialized telescope. Much to the joy of astronomers and space fans ...

You can take delight in the amazing colors of the gemstones, but through chemistry, you can also see how nature creates those colors using an endless variety of complex structures made with the ...

and selenium and tellurium instead of sulfur. But a molecule with six different elements or a mineral with the potential for a lot of impurities does not make this pan-atomic molecule that we want.