27/11/2015

Don't stop me now! Superluminal travel in Einstein's universe

The story of the drawn-out development of Albert Einstein's revolutionary rewrite of the laws of gravity has been told many times, but over the past 100 years it has given us extreme stars and black holes, expanding universes ...

Parched, famished Niger hard hit by climate change

When yet another drought wiped out his flock five years ago, Toro, a Fulani shepherd in Niger, decided to migrate to the capital Niamey, where he found work selling cell phones instead.

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