At this time of year, you've got to watch out for April Fool's Day stories - but we can assure you that this isn't one of them. Scientists really have invented paint which heals itself after it's been scratched.
Computer giant Microsoft is developing a mobile phone that lets you lie in if roads are jam-free. The link to traffic website means alarm resets itself if no delays. It's called SmartPhlow and is being tested in US now.