AirPods have colonized the ears of many in public transit. They have become indispensable, not for the sound they convey, but for the sound they drown out.
Passengers wait inside a stopped C subway train after a power failure stopped multiple subway lines during the morning commute in New York City, April 21, 2017.
Somehow, for thousands of years, the human race has managed to accurately identify the sex of newborns by a mere glance. No Columbia doctorate required.