Skulls from the Morton collection at the Penn Museum in Philadelphia. Photography by Jonah Rosenberg and Lyndon French

Our Skulls Are Out-Evolving Us

A motley crew of scientists argue that our ever-shrinking skulls are wreaking havoc on our well-being

Lindsey Hanes burst into tears at the wheel of her black Dodge Caravan. Ugly crying. Heaving sobs. Through raindrops on her car window, she glanced back at the medical building she’d just exited. That therapist had been her last hope to…