We clean up the science of washing powders, how they work and why stains rather than dyes are removed by them. Plus, we ask whether it is better for the environment to continue driving an old car or have a new one made. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

We clean up the science of washing powders, how they work and why stains rather than dyes are removed by them. Plus, we ask whether it is better for the environment to continue driving an old car or have a new one made. Like this podcast? Please help us by supporting the Naked Scientists

We clean up the science of washing powders, how they work and why stains rather than dyes are removed by them. Plus, we ask whether it is better for the environment to continue driving an old car or have a new one made. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate" rel="noopener noreferrer">supporting the Naked Scientists</a>

Dirty Laundry

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...

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Dirty Laundry

Dirty Laundry

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