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BBC News BBC News Frontpage | Back to the Future 
Leviathan
What is in store for the world in the 21st century? Futurologists, historians and tribal leaders reveal their thoughts on the next 100 years. Plus we look at predictions of progress in 1900 and offer you the chance to email us your visions of the future.
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In 1900
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Lee Silver
Click here to read the extended interview.
Lee Silver
Geneticist

"Ultimately you could end up with human beings splitting into two different groups of people who can actually no longer breed with each other."

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Leviathan