Download It was the largest radioactive contamination of the sea in history but Japan's government is disputing a study by a respected international research group suggesting that radiation from the crippled Fukushima nuclear plant is still entering the food chain.

Last month the US-based Woods Hole Institution revealed that about 40 per cent of the fish caught off Fukushima is contaminated with radioactive caesium which is above the government's own limit.

But Japan's Fisheries Agency says the contamination is sinking deeper into the seabed and is not entering the food chain, while the nuclear plant operator TEPCO denies any tainted water is leaking from the facility.

Mark Willacy from Radio Australia has more.

Download It's a culture that once celebrated bushido, the 'way of the warrior', it's a place where men were men, or soldiers or sumo or samurai.

But now more and more, Japanese men are cultivating their feminine side, with an explosion in sales of male beauty products, as well skirts and dresses, designed for men.

Radio Australia’s Mark Willacy reports from Japan.