Cattle in a forest

Silvopasture; Or, Why Are There Cows in the Woods?

Cattle grazing on invasive plants in longleaf pine forests could benefit ecosystems and farmers alike.
Jacques Cartier at Hochelaga engraving from A popular history of the United States: from the first discovery of the western hemisphere by the Northmen, to the end of the first century of the union of the states; preceded by a sketch of the prehistoric period and the age of the mound builders

Plant of the Month: Tree of Life

Indigenous people in North America used the conifer as an effective cure for scurvy during cold winters.
A finger pressing a doorbell, circa 1950.

When the Push Button Was New, People Were Freaked

The mundane interface between human and machine caused social anxiety in the late nineteenth century.
Bathymetrical Chart of the Oceans showing the Deeps According to Sir John Murray, 1912

Wait, There’s Noise Pollution at the Bottom of the Ocean?

Anthropogenic sounds have made it all the way down into the deepest place on Earth—Challenger Deep, in the Mariana Trench.
Dried flowers

Which Flowers Bloom First and Why?

A massive collection of dried flower specimens demonstrates that climate change disrupts the timing of spring blooms.
Nurses withdraw blood for testing from a volunteer taking part in the AIDSVAX B/E vaccine trial July 18, 2002 at the Boon Mee Clinic in Bangkok, Thailand.

RV144: The Largest HIV Vaccine Trial in History

One of the biggest advances in AIDS vaccine research was a controversial, landmark treatment that tested a new vaccine on 16,000 Thai volunteers.
A beached whale painting

The Tragicomedy of Johanna the Super Whale

How a beached cetacean triggered one whale of a controversy.
Small white flowers bloom on the end of a cherry tree branch near the base of the Washington Monument in Washington, DC.

Is Your Favorite Tree an Invasive Species?

Some superstar trees in the US are actually invasive to their ecosystems. Blossoming cherry trees, for example.
An illustration of the Whole Earth Catalog over a 90s computer graphic

The Whole Earth Catalog, Where Counterculture Met Cyberculture

Long before Facebook or Twitter, an L.L. Bean-style catalog for hippies inspired the creation of one of the world’s first social networks.
Charles David Keeling & George W. Bush, 2001

How Charles Keeling Measured the Rise of Carbon Dioxide

The climate scientist created a new method to measure atmospheric carbon dioxide. It's still used today.