Spartan Up! - a Spartan Race for the Mind!

Are your Instincts Holding you Back? Joe De Sena interviews Rebecca Heiss, PhD

Evolution has left you with two basic drives - to survive and to procreate, but evolutionary biologist Rebecca Heiss, Ph.D. tells Joe De Sena how understanding those drives can lead us to overcome fears and achieve success. Fear, says Heiss, is an ancient signal meant to keep us alive, but most things we fear today are not life-threatening. In this…