Articles on Chemistry

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Butterfly wings, like those of the monarch butterfly, have inspired scientists to create “structural colours”. tea maeklong/Shutterstock

Explainer: how scientists invent new colours

Scientists continue to invent new colours for new applications thanks to nanoscale structures.
Molecular machines are ready to join forces and take on real-world work. Chenfeng Ke

3-D printing turns nanomachines into life-size workers

Research on molecular machines won last year's Nobel Prize in chemistry. Now scientists have figured out a way to get these tiny molecules to join forces and collaborate on real work on a macro scale.

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