How long does a free neutron really live before it decays? This simple question has annoyed physicists for decades. Moreover, when they searched for an answer, they found not one but two confusing ...

Chemistry students the world over are familiar with covalent bonds and hydrogen bonds. Now a study has revealed a strange variety of bond that acts like a hybrid of the two. Its properties raise ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...