Transforming sulphur dioxide from harmful to useful

Scientists have created molecular cages within a polymer to trap harmful sulphur dioxide pollution in order to transform it into useful compounds and reduce waste and emissions.

Have Venusian volcanoes been caught in the act?

(—Six years of observations by ESA's Venus Express have shown large changes in the sulphur dioxide content of the planet's atmosphere, and one intriguing possible explanation is volcanic eruptions.

Electronic nose sniffs out toxins

Imagine a polka-dotted postage stamp-sized sensor that can sniff out some known poisonous gases and toxins and show the results simply by changing colors.

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