design

EPA to Study Impacts of Hydraulic Fracturing on Drinking Water; Seeks Public Input

This July and August, the U.S. Environmental Protection Agency (”EPA”) is holding a series of public meetings seeking input on the design for an upcoming study to assess the effect of hydraulic fracturing on public drinking water supplies. Hydraulic fracturing uses high-pressured water, combined with chemicals, to release natural gas present underground in shale formations

Go here to read the rest: 
EPA to Study Impacts of Hydraulic Fracturing on Drinking Water; Seeks Public Input

design

Stellar Heavyweight Breaks the Scales

Using the world’s most powerful ground-based telescope, astronomers have identified the seven heaviest stars ever found. One of these behemoths is so big, it’s forcing researchers to rethink just how bulky stars can become.

Read the original post: 
Stellar Heavyweight Breaks the Scales