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If you've ever wanted to parachute into a castle with a camel, then the Sigmund iOS app is for you. It aims to sculpt your dreams with words whispered while you sleep.
The social network has been a target of viruses for years now, and one security software company has found that a fifth of Facebook members' news feeds contain malware.
Many Facebook members have voiced a desire for an official "dislike" button, something scammers are now exploiting with a rogue application that spams friends.
Researchers find that seeding ocean with iron to feed plankton and sequester carbon has flaws, while debate continues over land use affects carbon emissions from ethanol.