During fracking, large volumes of water, along with sand and hazardous chemicals, are injected into the ground to break rock apart and free the oil and gas.

WSJ: Fracking coalition upsets both greens and drillers

This year he completed what is believed to be the first ever fracture stimulation procedure in Turkey: injecting a mixture of water and sand at high pressure down the wells to break up rock and release gas.

FORBES: Magazine Article

The industry has boomed in recent years, thanks to a stunning expansion of drilling in previously untapped areas because of the use of hydraulic fracturing, or fracking, which injects sand, water and chemicals to break apart rock and free the gas inside.

NPR: EPA Methane Report Further Divides Fracking Camps

No matter the outcome of her embezzlement trial, McDougal will have a three-month break before facing her next trial in Little Rock.

CNN: McDougal jury recesses until Friday morning

"There are bands out there that I'm confident are going to break through, but I do feel that the greats - those big rock 'n' roll bands that have this great big following and dominate the market - are a factor of yesteryear, sadly, " she says.

BBC: Can Manchester music move on from its past?

In 1997 at Black Rock Desert, Nevada, he drove Thrust SSC to become the first person to break the sound barrier in a car and set the existing land-speed record of 763mph.

ECONOMIST: The land-speed record