Dr Karl Kruszelnicki joined Pat Panetta to talk about the latest news, discoveries and curiosities in the science world.

<p>Dr Karl Kruszelnicki joined Pat Panetta to talk about the latest news, discoveries and curiosities in the science world.</p>

Australia Overnight is broadcast from 12am-6am on Saturday and Sunday on 2GB, 3AW and 4BC, and 12am-3am on 6PR.

<p>Australia Overnight is broadcast from 12am-6am on Saturday and Sunday on 2GB, 3AW and 4BC, and 12am-3am on 6PR.</p>