Toxic air endangers 600 million people in South Asia

With another smoggy winter hanging over the vast and thickly populated Indo-Gangetic plains, there are fears of serious health consequences to more than 600 million people living in northern India and Nepal as well as in ...

Farm fires stoke Indian capital's pollution crisis

Crackling flames and plumes of smoke rise from the earth as farmers set their fields alight in northern India—an annual post-harvest practice that shrouds New Delhi in toxic smog.

Unbreakable glass inspired by seashells

Scientists from McGill University develop stronger and tougher glass, inspired by the inner layer of mollusk shells. Instead of shattering upon impact, the new material has the resiliency of plastic and could be used to improve ...

Research describes slow and fast light in plasma

Slow and fast light, or large changes in the group velocity of light, have been observed in a range of optical media, but the fine control over the refractive index necessary to induce an observable effect has not been achieved ...

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