Monthly Archives: February 2012

Operation GARBO

Juan Pujol was, like Eddie Chapman, a British double agent during the Second World War but was his antithesis in almost every other respect. Unlike the flamboyant, womanising former criminal Chapman, Pujol was an unassuming, bespectacled businessman and a loyal … Continue reading

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Agent ZIG-ZAG

Double-agents, spies ostensibly acting for one intelligence organisation while in fact working for the enemy, place themselves in a highly vulnerable position. They need to not only provide a credible service to their cover organisation, they must also continually prove … Continue reading

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The Windows to the Soul Part 2: Colour Vision

In 1844, the founder of modern chemistry John Dalton, died. By his own request, his eyes were removed at autopsy and the vitreous humour examined. Fifty years earlier, Dalton had provided one of the first accounts of colour blindness based … Continue reading

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The Windows to the Soul

The earliest fossil evidence of eyes comes from the Cambrian explosion, around 500 million years ago, their appearance probably driven by the rapidly escalating evolutionary arms race between predators and prey at that time. From simple eyespots, eyes have evolved … Continue reading

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Pythons in the Everglades

Following on from this post: It’s all very well to be invaded by furry wallabies; it’s a little more concerning when the feral hippo population explodes. But the feral animal problem in the Florida Everglades is the stuff of nightmares. … Continue reading

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