In the wake of Steve Irwin's sudden and grisly death on the Great Barrier Reef, his family stood united. But 18 months after the "Crocodile Hunter" was killed by a stingray's barb, a bitter feud between his widow and his father has been exposed.

Norilsk Nickel, the Russian nickel producer at the centre of a takeover battle, is the first target of a new activist investor group which aims to put pressure on polluting companies and industries.

Evoking the atmosphere of the grandest of English country houses, complete with sumptuous staterooms, jacuzzi and an on-board gymnasium and sauna, few would dispute that the 246ft super-yacht Leander affords one of the most luxurious ways to cruise the azure seas of the Caribbean. Whether it is coursing through the water on one of the yacht's jet-skis, or simply enjoying a gin and tonic at sunset in the air-conditioned cabins, life on board is unforgettable.