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.
Editors’ Picks: Sustainability and the Environment 2019
The environmental cost of cruise ships, the history of climate science, human fertilizer as waste, and other top stories about sustainability and the environment.
What’s in a (Planet) Name?
Planet names must be 16 letters or less, preferably one word, non-offensive, and not too similar to an existing one.