What science says about the risks of energy drinks; The Sherpas' super-power; and more

Air Date: May 27, 2017 12:00 AM ET

What science says about the risks of energy drinks; The Sherpas' super-power; When did whales get super-sized?; Do I look fat in this face?; Out of Africa, or maybe Europe?; Quirks & Questions: Are humans the only mammals with different blood types?