<p>Opals, ancient humans and sharks dating back 465 million years. This week we see how today’s world has been shaped from the distant past.</p>

Opals, ancient humans and sharks dating back 465 million years. This week we see how today’s world has been shaped from the distant past.

Old rocks, old humans, old sharks, and links to today

The Science Show gives Australians unique insights into the latest scientific research and debate, from the physics of cricket to prime ministerial biorhythms.

Science

Natural Sciences

The Science Show gives Australians unique insights into the latest scientific research and debate, from the physics of cricket to prime ministerial biorhythms.

The Science Show&nbsp;gives Australians unique insights into the latest scientific research and debate, from the physics of cricket to prime ministerial biorhythms.

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Old rocks, old humans, old sharks, and links to today

Old rocks, old humans, old sharks, and links to today