Knowing what we don't know -- then continuing to learn

While crummy winter weather across much of the country discourages us from leaving our warm, cozy homes, here's another form of physical exercise ...

RecommendedI recently read (and I recommend)  Neutrino Hunters: The Thrilling Chase for a Ghostly Particle to Unlock the Secrets of the Universe , by physicist Ray Jayawardhana. Neutrinos are fascinating subatomic particles. They are so tiny and elusive that experimentalist physicists did not succeed in confirming their existence until decades...