How can we know how many species preceded our own? Can we tell which of those species are our ancestors, and which are non-ancestral close relatives?

History of human evolution

Big Ideas brings you the best of talks, forums, debates, and festivals held in Australia and around the world, casting light on the major social, cultural, scientific and political issues

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Big Ideas brings you the best of talks, forums, debates, and festivals held in Australia and around the world, casting light on the major social, cultural, scientific and political issues

Big Ideas&nbsp;brings you the best of talks, forums, debates, and festivals held in Australia and around the world, casting light on the major social, cultural, scientific and political issues

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History of human evolution

History of human evolution