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River otters, like other social animals, have to carefully weigh the costs and benefits of hanging out in large groups. A big group makes it easier to catch fish, which seems like a good deal, but there's a downside to social life too. More otters me

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By Joana Mantey Accra, Ghana 07 April 2008 Experts in the field of water and sanitation have gathered to share their knowledge at an international conference opening Monday in Accra, Ghana. The meeting is a collaborative effort by Ghanas Ministry of

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Voice 1 Welcome to Spotlight. I'm Joshua Leo. Voice 2 And I'm Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Welcome to Spotlight's Listener Ma

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