Smithsonian Magazine on MSN

Birds Make an Alarm Call That Spans Species and Continents—and May Offer Insight Into the Evolution of Human Language

More than 20 species make a nearly identical noise to warn nearby birds of brood parasites, a behavior that bridges the ...
The World from PRX on MSN

A potential market for tree planting emerges as developers eye wood instead of concrete

The global construction industry is looking for ways to replace concrete, which is responsible for 8% of global carbon ...