EXPLAINER: How China got blue skies in time for Olympics

The blue skies greeting Olympic athletes here this month are a stark change from just a decade ago when the city's choking air pollution was dubbed an "Airpocalypse" and blamed for scaring off tourists.

Can we feed billions without wrecking the planet?

We are now producing more food more efficiently than ever, and there is plenty to go around for a human population of 7 billion. But it is coming at a drastic cost in environmental degradation, and the bounty is not reaching ...

Graphene: 'Miracle material' singled out for COVID conspiracies

Graphene, a Nobel Prize-awarded material with promising applications for greener energy and nanomedicine, has been the topic of much disinformation by coronavirus anti-vaxxers claiming it can be used to "magnetize" and "control" ...

Apps help integration and health of migrants

A new study has found that mobile apps can play a vital role in helping immigrants integrate into new cultures, as well as provide physical and mental health benefits.

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