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William Alexander Donald

William Alexander Donald

The Conversation

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Is it safe to use cake decorating dusts and dyes? 2 experts explain

Authorities have recalled a cake decorating powder, after an Australian child inhaled it and ended up in hospital.

20.05.2026 10

The Conversation

William Alexander Donald

Lead, arsenic and other toxic metals abound in tattoo inks sold in Australia – new study

Millions of Australians now have tattoos. Yet unlike other countries, we don’t have rules on what’s in the ink.

19.01.2026 10

The Conversation

William Alexander Donald

Silicosis is ruining the lungs of construction workers. An AI-powered breath test can detect it in minutes

Silicosis is preventable but difficult to detect early. A promising new breath test could change this.

24.03.2025 10

The Conversation

William Alexander Donald