The BADGER explosion on April 18, 1953, as part of Operation Upshot-Knothole, at the Nevada Test Site.

How Strong of a Nuclear Bomb Could Humans Make?

The biggest nuclear blast in history came courtesy of Tsar Bomba. We could make something at least 100 times more powerful.
A typical long-horn Texas Steer

Longhorns Long Gone (And Returned)

The end of the era of so-called Texas Longhorns doesn’t seem to have been sentimentalized at the time. Why do we wax nostalgic about it now?
Posterised, Pop art, Grunge effect City Skyline, Buildings, urban, climate change

Climate Justice in the Anthropocene: An Introductory Reading List

Justice discourse in the Anthropocene has shown us that perhaps we aren't as homogeneous of an “Anthros” as we’d expect.
A black and white newspaper advertisement titled The Abortion Handbook. Lana Clarke Phelan and Patricia Maginnis are names listed below the title.

When San Francisco Feminists Rated Mexican Abortions

The California activists played the role of a health agency to ensure women received safe and competent health care in Mexican clinics.
An illustration of Star Trek's USS Enterprise in warp drive

Is Star Trek’s Warp Drive Possible?

The concept of the warp drive is currently at odds with everything we know to be true about physics.
Illustration of a city with lots of green space as seen from above

Lawn and Order: Green Spaces for a Better Society

A growing topic in policy focuses on improving public access to green, open spaces. How important is greenery for health and happiness?
Animation of Black Hole Disk Flare in OJ 287

Solved: Astronomers Identify Origin of Mysterious Flares in Galaxy OJ 287

In a distant galaxy, a cosmic dance between two supermassive black holes emits periodic flashes of light.
Grass earth and roots

Ground Rules for Healthy Soil

Understanding soil to understand climate change.
Velcro tape on black background

Versatile Velcro™

Velcro is used in many spaces, from spacecraft to shoes. A relatively recent invention, it was inspired by the close observation of nature.
Demonstrators from from over 30 environmental organizations rally supporters for transit and environmental justice during the 2022 Earth Day Strike organized by the Sunrise Movement of Pittsburgh and Pittsburghers for Transit Justice at the City County Building on April 22, 2022 in Pittsburgh, Pennsylvania

Toward Environmental Justice: Key Concepts

Environmental justice results from the equitable distribution of environmental benefits and harms through the restructuring of systems of oppression.