This week, we're investigating how human actions are affecting our oceans. We'll be hearing about a global map that's been developed to show where our activities are having the biggest impact and we'll be finding out how trawl fishing is destroying the habitats of organisms living in our sea beds. We'll also be finding out about the latest gadgets from afrigadget. com and how you could get involved in Africas first 'Maker Faire'. Plus, we boogy with bees, in Question of the Week!