Oh, crap! Thousands of mysterious black balls that washed ashore and closed a stretch of popular Australian beaches last ...

The contents of the 'black balls' that washed up on Sydney, Australia beaches last month have been identified after weeks of ...

Each ball likely contains hundreds to thousands of different materials ... Donald is a chemistry professor at the University ...

The golf-ball-size debris that closed beaches across the Australian city wasn't tar balls as first thought. It was made up of decomposed cooking oils, hair and food waste.

Testing by chemists has determined the balls were most likely the result of a sewage spill, though their exact origin remains ...