How old is the human race? Scientists may have discovered when the initial human brains were first formed. How can they estimate how many years ago this was? It has something to do with skull fossils and 3D brain scanning technology. In Dental School 101 the Dr. addresses what dental restorations you may be putting off during our mask wearing society. You’ll want to hear how restorations can go very badly with other dentists’ approaches, compared to how Dr. Shoup approaches restoring your molars, and how to avoid big mistakes with your delicate front teeth. In this episode’s Covid-19 update, did you know that if you’ve already had the CoronaVirus, you only need one Pfizer or one Moderna vaccine shot, not two?