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Fifty years ago this week, legislation set aside over nine million acres of official wilderness. Source: sciencefriday.com
The earthquake that shook Chile last weekend was powerful enough to push up the Andes a few feet, shift Earth's axis and even speed up the planetâ€™s spin. Ross Stein, a geophysicist at the U.S. Geological Survey, explains the fallout of the quake and the physics that triggered it.
When it comes to greenhouse gas emissions, what you eat may be more important than where your food comes from. A new study finds that replacing red meat and dairy products with chicken, fish or vegetables could have the same impact as shifting to an entirely locally-grown diet.