War. Genocide. Rape. Poverty. Climate disruption. Weapons of mass destruction. Inadequate education and healthcare. Hunger. Corruption. Crime. Injustice. Inequality.

Is there a common denominator underpinning these pervasive crimes?

Heidi Delisle, CEO of Illumina, a technology powerhouse, believes there is. From her vantage point, testosterone is at the core of all of these issues.

What was useful to evolution has become its nemesis, and the stakes have become apocryphal. Spears have become ballistic missiles. Rampant pursuits of profits are killing...