In Australia, DNA testing has been routinely used for decades in deciding who can and can’t enter the country.

The tests can be used to unify families, but they can also tear them apart.

The story of one couple trying to make a new home in Australia has raised new questions about how exactly the tests work, and if they discriminate against people from certain racial backgrounds.

Today, writer Oscar Schwartz on the faulty science that is keeping families separated.

Guest: Writer for The Monthly Oscar Schwartz.

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