Catalyst

China is gearing up for the fastest deployment of nuclear energy in history, fuelled by Australian uranium. At least thirty new reactors are planned to be built in the fifteen years.

When it comes to the ageing brain, the news from science has always been bad; grey matter shrinking from age 20, synapses slowing down.

Superman actor, Christopher Reeve, died before science realised his dream: to walk again. But scientists now believe we are closer than ever to helping the paralysed to walk.

There's no doubt that one of Australia's greatest economic resources is mineral ores.

Farmer and horse-breeder Peter Andrews has been described as everything from a crackpot to a visionary.

Faced with the overwhelming magnitude of global warming, it's easy to feel powerless and dispirited. But Catalyst asks what would happen if enough of us took power into own hands?

Implanting memories sounds like science fiction but it's real and happens everyday.

Even five years ago, the jury was still out on whether marijuana causes psychosis. Well, that's all changed – the data has been flooding in.

Marijuana use is on the increase.

Severe depression will strike one in five Australians at some stage during their lives. The illness can have devastating effects - it is the leading cause of suicide.