Months after mysterious black balls forced the closure of some of Sydney's most famous beaches, small marble-like debris has ...

Months after mysterious black balls forced the closure of some of Sydney's most famous beaches, small marble-like debris has begun washing up on the city's shores again. The balls - this time grey ...

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The marble-sized white and grey balls were tested and discovered to contain "saturated fatty acids, along with fecal ...

This DIY setup brings creativity to life, creating a satisfying journey for each marble as it glides through the vibrant course. Watch the fun unfold and experience the soothing rhythm of this eye ...

An analysis of small grey balls that washed up on popular beaches in Sydney’s north has found the errant debris is largely ...

Mysterious grey balls sparking the closure of nine popular beaches could have origins in sewerage and need to be treated with caution, an expert says.

Nine Sydney beaches have been closed after the discovery of numerous marble-sized balls. The debris, said to be a combination of white and grey in colour, appeared along the shoreline in the city ...