* Astronomy

Australia's new chief scientist has concentrated on issues out of this world, but that's about to change.
Strong on research and communication Penny Sackett feels scientists must be free to speak out in controversial debates.
Penny Sackett was not unfamiliar with Australian bushfires, but nothing other than first-hand exposure will fully acquaint anyone. So it was for the American-born astronomer visiting Canberra in the summer of 2002.

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