China's smog problem explained

A thick haze has this week smothered Beijing and surrounding areas, with tens of millions of people in northern China under severe pollution warnings.

Horses differentiate human expressions of sadness and joy

A new study shows that horses can differentiate between expressions of joy and sadness displayed by humans through facial movements or voice tones. Horses were more attracted by the facial expressions of joy than sadness ...

'It's horrible': Spain sweats through day 2 of heatwave

Spain issued "extreme" danger alerts over scorching temperatures in three regions Tuesday as firefighters said a blaze that had raged for days in the Canary Islands had almost burnt itself out.

Canada wildfires shroud New York in apocalyptic haze

Smoke from Canadian wildfires shrouded New York in a record-breaking apocalyptic smog Wednesday as cities along the US East Coast issued air pollution warnings and thousands evacuated their homes in Canada.

Why are dog breeds with innate diseases popular?

Flat-faced dogs such as French and English bulldogs are extremely popular despite suffering from severe innate diseases. Hungarian researchers have attempted to uncover the explanation for this paradox. In the end, they concluded ...

Three Chinese astronauts return safely to Earth

Three Chinese astronauts working at the country's space station have returned safely to Earth, state media reported Sunday, hailing the mission as a "complete success".

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