Houve um tempo em que moradores de Pequim saíam para a rua sem ver o sol. Não porque estivesse nublado,

There was a time when Beijing residents went out into the street without seeing the sun. Not because it was

Hubo un tiempo en que los habitantes de Beijing salían a la calle sin ver el sol. No porque estuviera

A 175-million-year-old clay rock, formed when ammonites swam in Jurassic seas, could become the ultimate solution to Germany’s nuclear legacy.

Una roca arcillosa de 175 millones de años, formada cuando los ammonites nadaban en mares jurásicos, podría convertirse en la