Animals rescued from war-torn Aleppo zoo
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Lunar eclipse around the world
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Warning, graphic images: 'Something ate Sam's legs'
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Dumped: Melbourne's waste management scam
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How algae paved the way for humans
The spread of algae as a food source 650 million years ago dramatically changed the earth's ecosystem and paved the way for animals - and ultimately humans - to roam the land and seas.
