"The kid starts cackling, and I realise he invented his own question in order to trick me into saying it," the teacher wrote.

This is the last of three blog posts associated with this week’s episode of Cosmos: A Spacetime Odyssey, which addresses life in the universe. Read the first and second here. Someday, in the not too ...

Before we can effectively analyze a student's equation, we must establish a solid understanding of the fundamental components ...