A profile illustration of a child's head filled with science and education icons

Big Brains Are Hard to Grow

Human brains take a long time, and a lot of energy, to grow to their mature state. This may well be an evolutionary tradeoff for having such big brains.
A woman looking out a train window into the sunset with vitamin d pills approaching

How Does the Body Make Vitamin D from Sunlight?

A Curious Reader asks: How exactly does exposure to sunlight cause the the human body to synthesize Vitamin D3?
Someone pouring a glass of gin

Is Alcoholism a Moral Failing?

Cultural explanations for alcoholism have changed significantly throughout the years, sometimes blaming social problems, sometimes psychological.
Sara Josephine Baker

To Reduce Infant Mortality, Train the Babysitters

“Little Mothers’ Leagues,” a program started by Dr. S. Josephine Baker at the turn of the last century, taught school-age girls to care for babies.
Illustration of a man lying on a couch

Workplace Burnout is Nothing New

Doctors were talking about the dangers of chronic stress, exhaustion, and anxiety back in 1909, predicting dire consequences if the symptoms were ignored.
A physician wearing a seventeenth century plague preventive costume

How the Plague Reshaped the World

The bacterium that causes the plague emerged relatively recently, as bacterium go. And yet the pandemics it's created have altered the world.
A woman with a protective mask in a plane

Do Airplanes Really Make You Sick?

A Curious Reader asks: Am I really at a higher risk of getting sick on an airplane?
A doctor talking to a female patient

Blaming Women for Infertility in the 1940s

In the early days of fertility treatments, some doctors theorized that women’s unconscious hatred of their husbands kept them from conceiving.
A drone delivering a package

The Drone Will See You Now

As drones become normalized, companies like Zipline are using them to deliver life-saving medicines to faraway places.
A man breathing in nitrous oxide (laughing gas) and a man exhibiting its exhilarating effects.

How Medical Researchers Used to Party

There’s always been some fuzziness in our distinctions between medicine and recreational drugs. Just look at nitrous oxide.