Bulldozers Versus Biodiversity, Then and Now
Trump's border wall threatens habitats in Arizona's Sonoran Desert. What happened when the area was bulldozed in the 1950s?
Got Milk? You Probably Got Fire Retardants, Too
“Forever chemicals,” also known as PFAS, have been found in 43 states so far, turning up in milk, eggs, and fish.
The Thick-Billed Parrot Is Not Extinct–Not Yet
But one hasn't been seen in the U.S. since 1995, not long after the end of the last reintroduction program.
Plant of the Month: Agave
The international popularity of tequila threatens the quantity, health, and biodiversity of all species of agave.
How Medieval Surgeons Shaped Sex and Gender
Our ideas about surgically “correcting” intersex conditions go back to a shift in the profession of surgery seven centuries ago.
Stuck in the Midden with You
A midden is, among other things, a refuse site outside an octopus' home. (Release the Køkkenmødding!)
When Ambulances Were Hearses
The federal government pushed the improvement of emergency services from several directions in the 60s and 70s.
Five Green Living Resolutions for 2020
We won't solve all of the pressing environmental problems, but we can help mitigate some.
Lichens as Sensors for Air Pollution
Lichens often go unnoticed, living on the ground, on tree trunks, or on rocks. They're hearty, but remarkably sensitive to air pollution.
When Cancer Spreads between Species
The exchange of cancerous cells between organisms is rare. Scientist studied how it happened across species of mussels.