Do urban fish exhibit impaired sleep?

Melatonin controls the body clock—high melatonin levels make us feel tired in the evening. However, the hormone also plays an important role in animals' biological rhythms. Artificial light at night—light pollution—can ...

Renewable technology prices and decarbonization

The great advantage of fossil fuels over renewable energy is that the sun doesn't always shine and the wind doesn't always blow and these "intermittent" sources of energy may not be reliable enough to power our economy. This ...

Heavy smog, worsened by weather, raises alarm across Asia

Unusually high levels of smog worsened by weather patterns are raising alarm across Asia, with authorities in Thailand's hazy capital Bangkok handing out face masks and preparing to seed clouds for rain to clear the air.

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