• Top 10 photos from the Guardian’s eyewitness app
• Surreal images of the Deepwater Horizon disaster
• The winners from National Geographic’s Traveler Photo Contest
• Infographic: comparing 10 years of the internet
• Harvard cracks DNA storage, crams 700 terabytes of data into a single gram
• On the horizon: A male birth-control pill
• Science confirms: The only workday we like is Friday
• The Mpemba Effect: how hot water freezes faster than cold
• Amelia Earhart: 75 Years of Mystery — and Now an Answer?
• Scientists discover genetic key to Elephant Man’s disfigurement
• The lost towns of Russia
• Whut: eBay Bans Sales of Spells, Curses, Advice and Other ‘Intangibles’
• How to back up your Gmail, Facebook, and Twitter accounts and why you should
• Iceland’s hard stance on bankers is working out pretty well
• Romney’s tax plan: mathematically impossible

Also, the Sarychev Volcano Eruption viewed from the International Space Station…