COVER STORY
Life on the Edge
To understand climate change and vulnerable ecosystems, University of Texas at Austin field researchers go where nature finds itself at a crossroads. In doing so, scientists discover places that teem with possibility.
GALLERY
A Solar Wind Mystery
What blasts out from the sun’s corona can bring beauty—and a bit of chaos.
Technology Leapfrogs
A new way to 3D print based on chemistry is safer, cheaper and efficient.