Body Mass Index Is Not a Good Measure of Your Health

A High BMI Could Increase Your Insurance Premium, but the Notorious Metric Is Only as Accurate as a Coin Flip

You’ve just returned from your morning run and you’re rustling through your snail mail when you receive some shocking news—an official memo from your employer informing you that your health insurance premium is increasing by 30 percent. You’ve been deemed a health risk, and you are being charged accordingly.

Yet you’re the picture of health: A run is part of your daily routine, you passed your last physical with flying colors, and kale is your favorite food. This must be some sort of mistake. But you read the fine print to …

Could Nanotechnology Spark Another ‘Silent Spring’?

A Biologist Investigates How the Booming Demand for Microscopic Materials Could Threaten Fragile Ecosystems

Nothing can compare to the first night in a rainforest. In Honduras, in 2007, I hung my hammock beneath a lavish tree canopy, closed my eyes, and let insect chirps, …

Can Socialists Lose an Election and Still Get Their Revolution?

Upton Sinclair Failed in His 1934 Bid to Govern California, but His Radical Campaign Left a Lasting Mark on Politics

A self-proclaimed socialist decides to run for high office. And, for practical political reasons, he becomes a Democrat to do so.

Soon he attracts enthusiastic supporters to his cause with …

We Can’t Expect the Government to Save Us From Disease-Carrying Mosquitoes

The Arrival of the Zika Virus in the U.S. Reminds Us That the First Line of Defense Is Our Own Backyards

“We need you to come take a look at something.” Ecologist Angela Brisco and technician Marc Mitchell, employees of the San Gabriel Valley Mosquito and Vector Control District, peered over …

Casanova Was More Than a Good Lover

The Infamous Seducer Wasn’t Merely After Conquest. He Chased Intelligent Conversation and Passionate Affairs to Remember.

He first saw Henriette when she was travelling with an army officer and disguised as a man, though everyone could tell that she was a beautiful woman. His love grew …