Plastic teabags release microscopic particles into tea

Many people are trying to reduce their plastic use, but some tea manufacturers are moving in the opposite direction: replacing traditional paper teabags with plastic ones. Now, researchers reporting in ACS' Environmental ...

Nanoparticles could someday give humans built-in night vision

Movies featuring heroes with superpowers, such as flight, X-ray vision or extraordinary strength, are all the rage. But while these popular characters are mere flights of fancy, scientists have used nanoparticles to confer ...

What the climate crisis means for land rights

The climate crisis will reshape our relationships to land around the world. Journalist David Wallace-Wells warns that, once the planet warms 2°C above preindustrial levels—the target set by the Paris Agreement—"major ...

World warned: change now or endanger food and climate

Humanity faces increasingly painful trade-offs between food security and rising temperatures within decades unless emissions are curbed and unsustainable farming and deforestation halted, a landmark climate assessment said ...

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