Mars, Saturn and the claws of Scorpius

Look up at the night sky this week and you'll find Mars and Saturn together in the west. Mars stands out with its reddish colouring and you might just be able to detect a faint yellow tinge to Saturn.

Wikipedia's 'Goan war' unmasked as elaborate hoax

It went undetected for five years on Wikipedia, but now a seemingly meticulous entry about a 17th century conflict between colonial Portugal and India's Maratha empire has been outed as a hoax.

Rethinking the fall of Rome's republic

When Julius Caesar crossed the Rubicon -- a river in northern Italy -- in 49 B.C., leading what was effectively his own personal army, he triggered a set of changes that resonated through the ancient world for centuries afterward. ...

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