Four Corners on CBS

Each week more than a thousand Australians are delivered the cruel diagnosis: they have dementia - incurable, untreatable, terminal. This episode of Four Corners chronicles the undeniable sadness of the descent into dementia.

A Deathly Silence attempts to break the taboo of silence that surrounds the act of suicide, its illusory appeal to the vulnerable, and its cruel toll on the living.

Milk, as natural and wholesome as motherhood, packed with proteins, vitamins and minerals, great for you and the kids. That's the image but just how beneficial is it?

On September 11 2001, thousands of dead were unaccounted for in the smouldering rubble of the World Trade Centre. Among them, was the remains of Mohamed Atta, whose last murderous act tipped the world into a confrontation between Islam and the West.