Kwyj1b0 writes: I.B.M's Watson is headed to the Cleavland Clinic for training. Clinicians and students answer and correct Watson, in an attempt to crowdsource its education. One possible benefit is to help doctors keep up to date with incoming research. Link to Original Source
Every nonzero finite dimensional inner product space has an orthonormal basis.
It makes sense, when you don't think about it.