This video provides examples of different research questions and demonstrates how to formulate null and alternative hypotheses. The video also discusses the importance of probability and the consequences of different conclusions.

When Ernest Rutherford realized that atoms have a heavy nucleus, he hypothesized that the way the moon orbits earth is the same as the way an electron orbits the nucleus of atoms. We now know an atom would...

Over four decades have passed since researchers discovered two continent-sized blobs wrapped around Earth's core, and they're still trying to figure out what they are. Here's what they know so far. There’s a Subterranean Biosphere Hiding...