Uganda counts victims of party boat accident

The boat was carrying party revellers when it sank off the coast of Lake Victoria on Saturday. At least 29 people are known to have died but authorities still disagree on the number of people present on the vessel at the time of the accident. In Kenya, the Blue Economy conference looks at ways to improve the health of the planet's oceans and increase its economic productivity. World AIDS Day approaches: We take a look at the latest science for testing the virus and the new treatments available.

(Image: Bystanders watch rescuers search the site of a capsized cruise boat on Lake Victoria. Credit: ISAAC KASAMANI/AFP/Getty Images)