A new form of DNA called Y-STR being used to investigate old crimes in NSW | 7NEWS

In This Story: Australia

Australia, officially known as the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the largest country in Oceania and the world’s sixth-largest country by total area.

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In This Story: New South Wales

New South Wales is a southeastern Australian state, distinguished by its coastal cities and national parks. Sydney, its capital, is home to iconic structures such as the Sydney Opera House and Harbour Bridge.

Population: 7.544 million (Sept 2014)

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In This Story: United States

The United States is a country also known as the United States of America, USA, US or just America. There are fifty states in the union, which is a federal republic ruled by a representative democracy. Nearly ten million square kilometres are inhabited by over 300 million people. The majority of Americans speak English.

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