India's capital chokes on 'severe' smog as farm fires soar

New Delhi was blanketed in noxious haze Friday as air pollution levels in parts of the city soared to "severe" levels, hours after US President Donald Trump described the air in the vast nation as "filthy".

Aftershocks rattle Croatian capital a day after strong quake

Croatia has experienced a series of aftershocks a day after a strong earthquake caused widespread damage, killing a 15-year-old girl and injuring at least 27 other people amid a partial coronavirus lockdown of the capital.

Seeing concentrations of toxins with the naked eye

Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a fast and cost-effective method to test liquids for a ubiquitous family of chemical compounds known as amphiphiles, ...

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