Half of the Facts You Know Are Probably Wrong

Dinosaurs were cold-blooded. Vast increases in the money supply produce inflation. Increased K-12 spending and lower pupil/teacher ratios boosts public school student outcomes. Most of the DNA in the human genome is junk. Saccharin causes cancer and a high fiber diet prevents it. Stars cannot be bigger than 150 solar masses.

In the past half century, all of the foregoing facts have turned out to be wrong.