‘Disgusting’ mysterious black balls on Sydney beaches identified

‘Disgusting’ black balls which washed up on multiple Australian beaches have been identified as an odd concoction of substances.

Last month, beaches in Sydney were closed as authorities looked into the bizarre black balls which washed onshore.

Now, scientists have discovered they’re made of human faeces, drugs and chemicals.

They’ve been compared to ‘fatbergs’, large masses of solid waste found in sewage systems...