Dr. Martin Luther King Jr. speaking at Duke University on November 13, 1964

Colleges’ Reluctant Embrace of MLK Day

The push for a national Martin Luther King holiday prompted a fierce political tug-of-war, on campus and off.
Someone standing in the room of a hoarder

What’s Causing the Rise of Hoarding Disorder?

Now that the DSM lists severe hoarding as a disorder apart from OCD, psychologists are asking what explains its prevalence.
A chocolate orange meant to symbolize Brexit.

The Many Metaphors of Brexit

How do metaphors shape political perceptions? And what do they mean for the future of Europe?
Composite image of Dmitri Mendeleev, a periodic table, and the Milky Way galaxy

How Far Does the Periodic Table Go?

Efforts to fill the periodic table raise questions of special relativity that “strike at the very heart of chemistry as a discipline.”
A woman's face lit up in a dark room

People with Depression Use Language Differently

New research shows that people with depression use absolute words, such as "always," "nothing," or "completely," more often than others.
A cow in a field

Can Cows Help Mitigate Climate Change? Yes, They Can!

Livestock emit greenhouse gases. They also can sequester carbon and boost biodiversity.
The Sharing Economy Was Dead on Arrival

The Sharing Economy Was Dead on Arrival

Sharing economy firms like Lyft and Airbnb promised community, but the ideas they promoted as overturning the status quo are the status quo.
Georgie Hyde-Lees

W. B. Yeats’ Live-in “Spirit Medium”

In the Victorian era, a different kind of ghostwriting became popular—largely because it allowed men to take all the credit.

DNA Forensics Can End Ivory Trafficking. Will Countries Play Along?

Scientists pinpoint poaching hotspots, but authorities aren’t always eager to join the fight.
A Canadian flag with a pot leaf at its center

How Big Will Canada’s Legal Cannabis Market Be?

With recreational marijuana use now legal across Canada, companies are jockeying for market share while bureaucracies struggle to make estimates.