Dewdrops hang suspended from switchgrass at Waubay National Wildlife Refuge in South Dakota.

Switchgrass: An Old Grass Gets a New Use

The perennial prairie grass used to cover large swaths of the American Midwest, creating vibrant ecosystems where birds, butterflies, and bison roamed.
A stethoscope

Second Opinions: On Intellectual Humility and Medicine

What happens when doctors admit they don't know everything?
A robotic hand holding a pen

What if AI Operated with Intellectual Humility?

In the race between humans and machines, imagine a future in which everyone and everything wins.

Doing Math with Intellectual Humility

Math class is an opportunity to teach students both how to use conjecture to arrive at knowledge and how to learn from the logic of peers.
Workmen at Federal Telegraph smoothing two castings for 80-ton magnets.

Vacuum Tube Valley 

Silicon Valley’s first high-tech enterprise, Federal Telegraph Co., provided communications for naval ships and radio stations at far-flung US imperial bases.
People gather at the Federal Reserve building to call on financial institutions to divest from fossil fuels on the ninth anniversary of Superstorm Sandy on October 29, 2021 in New York City.

Divest or Invest? A Climate Change Question

Divestment from fossil fuel corporations is a common call of climate activists, but divesting could be counterproductive to efforts combating climate change.
Dramatic skies over the Arenal Volcano, Costa Rica

Central American Volcanoes Offer Clues to Earth’s Geological Evolution

Along 1,100 kilometers, from Mexico to Costa Rica, lies the Central American volcanic arc, where the variety of magma types make for a geological paradise.
two tyrannosaurus rex fighting on a yellow colored background

Five Things You Probably Have Wrong about the T. rex

How well do you really know Tyrannosaurus rex, the so-called Tyrant Lizard King?
The interior view of the North Pneumatic Tube Station of the Merchandise Building of the Sears Roebuck and Company Mail Order Plant, Chicago, IL

Something Old, Something Pneu

Pneumatic tubes offered a leap forward in business and communications, in the office and across the city.
An illustration of seven Earth-size planets orbiting the TRAPPIST-1 star

Why TRAPPIST-1 Is Our Favorite Alien Planetary System

The TRAPPIST-1 system is a treasure trove of possibilities and questions. Observations by JWST have just begun.