Once upon a time, being clean-shaven was the standard in professional settings. Scruff was associated with being unkempt, while a clean shave sent the message that you were put-together and cared ...

Superhot rock geothermal energy can be generated from dry rock that's at least 752 degrees Fahrenheit. It exists all over the earth at depths between two and 12 miles. A new report out Friday from the ...