For 15 years, there has been a mismatch in physics. A particle called the muon wasn’t behaving the way theory predicted it should. A new theory and new experiment might solve this problem.
If you are intimidated by the periodic table, then this introduction through the first column of elements will give you a feel for how and why the elements are arranged in this order.
What shape is an electron? The answer, believe it or not, has implications for our understanding of the entire universe, and could reveal whether there are mysterious particles still to be discovered.