We're Going on a Bear Hunt

Runit is a far-flung coral speck surrounded by shimmering blue lagoons, a tiny outpost of the Marshall Islands.

It’s also Ground Zero of the South Pacific or, as one Marshallese calls it, “a big monument to a giant American fuck-up”.

Runit is dominated by what’s called the Dome. It looks like the work of extra-terrestrials. But this is a man-made, sprawling concrete circle that encases tonnes of nuclear waste including about 400 lumps of plutonium, one the deadliest substances known to science.

Thousands of people have been caught up in a brutal new ISIS battleground on Australia's doorstep. One of them was ABC correspondent Adam Harvey, who took a bullet to the neck. This is his story, and theirs.

He fled Saddam Hussein’s brutality to become detainee #982 in an Australian refugee camp. Now Munjed al-Muderis is a world-leading surgeon giving amputees a second chance at life. Sophie McNeill tells his inspiring story.

Vladimir Putin crushes opponents, but a growing army of young Russians is fighting back. Their gift to the strongman on his 65th birthday? A show of defiance and a demand to quit. Eric Campbell reports.

How do we make housing more affordable? What are other countries trying - and what bright ideas might we pinch from them?