The mysterious debris, initially thought to be tar balls, began appearing on beaches in Sydney last month Brook Mitchell/Getty The composition of the mysterious balls that washed up on the shores of Australia ... on Sydney's Bondi Beach and other shores ...

Scientists have solved the mystery of sticky black balls that began washing on beaches in Sydney, Australia last month. Thousands of the strange balls first began appearing in mid-October, including at the city's famous Bondi Beach,

Investigations revealed that the blobs were a gross combination of human faeces, cooking oil, chemicals and illicit drugs.