Acacia: A Legacy of Artistry and Extraction
The thorny Acacia tree produces gum arabic, a versatile substance that’s been driving global trade for centuries.
How Did Eastern North America Form?
With many collisions and much crumpling of rock, down the ages. The story holds lessons for how the edges of continents are built and change over time.
Mars Time Machine
Researchers are creating advanced simulations that will provide a deeper understanding of Mars’s climatic history and help to determine whether it was once able to sustain life.
Atlantic Sturgeon Were Fished Almost to Extinction
Ancient DNA reveals how the Chesapeake Bay population changed over centuries.
Tradition in Turmoil: Sugar Maple and Climate Change
With harvests dependent on the spring freeze-thaw cycle, the maple industry is seeking ways to mitigate damage wrought by a changing climate.
What Is Isolationism?
The history and politics of an often-maligned foreign policy concept.
The Science of Sourdough: How Citizens Are Helping Shape the Future of Fermented Foods
Citizen scientists are drawing on personal experience to help researchers create new plant-based fermented foods and maximize their health benefits.
Colliding Plasma Ejections From the Sun Generate Huge Geomagnetic Storms
Studying them will help scientists monitor future space weather.
Tiny Splendid Peacock Spiders
They have the fastest known jump among their kind according to a new study.