Envycan belikeatinydevilonyourshoulder that whisper words into your ear, gnashes on your soul and makeslife into something that is often filled with sufferingandmuch negativity.
"A dust-devil looks essentially like what you would expect from the movies - a tiny tornado that is lifting dust, " explained Manuel de la Torre Juarez of Nasa's Jet Propulsion Laboratory (JPL) and a scientist on the Rover Environmental Monitoring Station (Rems) instrument.