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The world's population could reach 12 billion by 2100
So much for predictions that the world's population would stabilise at 9 billion mid-way through this century.
Life
Baby nemo can make epic journeys to find home
Health
Newly discovered molecule can aid leukaemia and lymphoma treatments
Environment
Prolonged drought causes air bubbles to “choke” trees
Technology
WATCH: Snot Bots for better whale mucus collection
Culture
Robot captures first images of Great Pyramid's secret chamber
Space
Is Earth at risk from more unexpected asteroid fly-bys?

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