BBC World Service- New acting president for Nigeria
- Sri Lanka parliament dissolved
- Lebanon warns of Israel 'threat'
- Google launches social network
- Obama steps up pressure on Iran
- Toyota in new doubts over car fix
- Sweet tooth 'hints at depression'
- Chile's Pinera names new cabinet
- Sudan and Chad to end hostilities
- A warmer world will be more fragrant, researchers say
- Nashville is Talking
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