If you have a cracked phone screen there is no need to fret, we have quick DIY fixes to professional-grade repairs to get your phone back in ship shape.
In the first installment of our video series, Pop Mech Explains the Universe, we chat with Tyson about his role models and how he got started in his career.
Do Crystals Really Have Healing Powers, According to Science? popularmechanics.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from popularmechanics.com Daily Mail and Mail on Sunday newspapers.