Nature's mirror—the code for chirality

How information is transferred from biological molecules to crystalline surfaces could pave the way for the development of new drugs and other synthetic materials.

Anger, fear at Delhi's pollution ground zero

For 12 hours a day, Raju Misra stands at his snack stall in the world's ultimate pollution blackspot, inhaling toxic fumes and railing against India's politicians for failing to clean up the filthy air.

India court demands action over Delhi's toxic air

India's environmental court slammed the Delhi government on Wednesday for failing to improve its notoriously toxic air, as the capital spent another day blanketed in grey smog.

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