Indians inhabited Australia 4 000 years ago, study shows

New research shows ancient Indians migrated to Australia and mixed with Aborigines 4 000 years ago, bringing the dingo's ancestor with them.

The research re-evaluated the continent's long isolation before European settlement.

The vast southern continent was thought to have been cut off from other populations until Europeans landed at the end of the 1700s, but the latest genetic and archaeological evidence throws that theory out.

Researchers at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, reported "evidence of substantial gene flow between Indian populations and Australia about 4 000 years ago".

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