杏吧原创

Bolivia’s stunning salt flats

Beneath the mirror-like surface of Salar de Uyuni lies an untapped resource that could one day power our laptops and electric cars

Enigma Number 1650

Feedback: Flying faeces in the lab

Blind to the truth?

Coloured snow

The end of the line

Enigma Number 1649

Feedback: Cancer risk doubled or halved

Biting talk

Out of the blue

Those garlic blues

Garlic on press

Cereal cement

Polar bear molar check