Tree Rings of a Stump

How Tree Ring Records Can Help Predict Droughts

Inside the trunks of trees lies a wealth of data on climate that goes back generations.
Dust rising from combine during crop harvesting

The Greenhouse Gas That’s More Potent Than Carbon Dioxide

Emitting just 1 ton of nitrous oxide—a common ingredient in synthetic fertilizer—is roughly equivalent to emitting 300 tons of carbon dioxide.
Nomadic ethnic Tibetan women stand amongst their Yak herd at a camp on July 27, 2015 on the Tibetan Plateau in Yushu County, Qinghai, China.

Yaks in Tibet

As China tried to expand into Tibet in the late 1930s, it looked to the yak as a way to "modernize" Tibetan culture.
The House of Tomorrow, artist rendering exterior view

Solar Housing Is Actually Kind of Retro!

The domestic fuel scarcity of World War II led to innovation in home heating—especially passive solar technology.
A teacher is standing next to a young student examining her findings from the pond.

How to Increase Diversity in Community Science Projects

There's often a disconnect between the ambitions of scientists engaging the public and the potential participants themselves.
Dr. Chien-Shiung Wu

Chien-Shiung Wu, the First Lady of Physics 

Chien-Shiung Wu disproved a fundamental law of physics—a stunning achievement that helped earn her male colleagues (but not her) a Nobel Prize.
A hydrogen pumping station for hydrogen-powered cars stands on June 10, 2020 in Berlin, Germany.

What Will Green Hydrogen Mean for International Relations?

Storing and transporting excess renewable energy as hydrogen could reshape global energy politics.
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.