When British convicts were sent to Australia in the 18th and 19th centuries, they found that the island nation was already populated, but no one could figure out where these people had come from. The land was so isolated that it seemed impossible that anyone could have traveled there in unsophisticated boats.

Now a lock of hair that was collected by a British anthropologist 100 years ago may hold the key to where the aborigines originally came from, as it’s tested for its DNA. DNA from the hair reveals that these ancient ancestors arrived in Australia around 50,000 years ago, and they somehow managed to keep the whole continent to themselves until the British convicts arrived many years later.
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