With many economies locked down to slow the spread of coronavirus, people from Beijing to Los Angeles have noticed bluer skies and less smog. Photos from Punjab and Nairobi reveal mountains that had been shrouded in haze for years. Satellites show cleaner air extending across...

What does Mother’s Day flowers have to do with cocaine?

Very little, most people would think. But as an economist, I often explain to my students that the world is economically connected, often in strange ways. The flower business is one of those strange...

Leaves are rustling. You can hear the sound of children kicking a ball, plinking the keys of a toy xylophone. People are laughing and talking.

Are you picturing a prison? My colleagues and I did –...

Unsteady cellphone footage follows a jogger – an apparently young, black man – as he approaches and attempts to run around a white pickup truck parked in the middle of a suburban road. Moments later he lies dead on the ground.

The killing of...

On Feb. 21, 2019, we shot an asteroid.

Mor...

As a physician, mother, daughter and socially responsible human, I’m finding Mother’s Day to be complicated for me this year, as it is for millions. Questions of whether and how to see my adult children and my own...

As a physician, mother, daughter and socially responsible human, I’m finding Mother’s Day to be complicated for me this year, as it is for millions. Questions of whether and how to see my adult children and my own...

When the novel coronavirus roared into the U.S., mental health took a back seat to physical health. The number one priority was making sure hospitals wouldn’t be overwhelmed and that as many lives as possible could be saved.

School...

Seventy-five years ago, Allied Forces declared victory in Europe on May 8, 1945. Millions across the continent had been persecuted, displaced and killed because of their national, ethnic or religious...

My health conscious friends and colleagues tell me that they need an alternative to soda but plain water is too boring. They, like many people, are turning to sparkling water and flavored seltzer water.

Carbonated waters are being promoted as the low-calorie or ze...