Ground freezing is being used to complete ever more daring projects, like keeping harmful contaminants from escaping, or mines from collapsing. But some of it's most exciting uses may have happened right in your backyard.
Ground freezing is being used to complete ever more daring projects, like keeping harmful contaminants from escaping, or mines from collapsing. But some of it's most exciting uses may have happened right in your backyard.
Ground freezing is being used to complete ever more daring projects, like keeping harmful contaminants from escaping, or mines from collapsing. But some of it's most exciting uses may have happened right in your backyard.
Ground freezing is being used to complete ever more daring projects, like keeping harmful contaminants from escaping, or mines from collapsing. But some of it's most exciting uses may have happened right in your backyard.
Incursions by loggers are eating into core butterfly roosting regions. Without an intact forest canopy the monarchs are left unpotected from freezing cold and excessive warmth.
I’m in a dim, chilly cave, my bare feet freezing despite the cover, the air tainted with the unmistakable smell of blood. The haggard, pale face of a boy slides into view, and after an initial jolt of alarm, I feel better.