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.
How 19th Century Scientists Predicted Global Warming
Today’s headlines make climate change seem like a recent discovery. But Eunice Newton Foote and others have been piecing it together for centuries.
How to Use Zotero and Scrivener for Research-Driven Writing
This month, I’m doing something a little different with my column: I’m sharing the system I use to write it, so that you can use or adapt my system.
Who Was Alexander von Humboldt?
Remembering the work of the great naturalist Alexander von Humboldt, on the 250th anniversary of his birth.
Are Koalas Really Going Extinct?
A report from the Australian Koala Foundation declaring koalas "functionally extinct" has caused a confusing scare. What does it mean?
Is It Ethical to Grow a Brain in a Petri Dish?
Brain organoids could be the key to understanding brain diseases, which is why we should think carefully about how far we are prepared to take them.
Can Crops’ Wild Relatives Save Troubled Agriculture?
Cultivating a limited number of crops reduced the genetic diversity of plants, endangering harvests. Seed collectors hope to fix it by finding the plants’ wild cousins.