Houston, we have a jetpack problem
Web giants to remove extremist content quickly
Google offers hackers $1,000 to hack its apps
Shooting stars due as meteor shower peaks
Facial expressions give clues on bank policies
Mobile phone providers 'overcharging customers'
Google owner leads $1bn funding for Uber rival
Tinder brings out 'basic mating instincts'
SpaceX to retry satellite launch after explosion
Scientists discover mosquitoes' stealth secrets