Robin Williams

on the Great Barrier Reef along the east coast of Australia.

Could you tell the story please?

And having achieved so much, he of course had then to deal with the doubters, who I don't think even began to appreciate the scale of his work and the thoroughness.

And I once was in Cairns, I think it was, sharing something with Terry Hughes,

and a big audience on the depth of the work they'd done.

It was most extraordinary.

Now, the question of all those technologies, you know, now you can look down on the Earth from satellites, so many of them, and there's so much detail, but you still like going out into the field.

Why?

Sarah Hamilton, Associate Professor of the University of Wollongong, and her book is Plotting the Oceans, Powerful Maps and Their Makers.

Now, last week on the Science Show, we heard from 15-year-old student Chloe Kwan about how, at first, she hated science in primary school, but then, realising that we are all scientists, if only we recognised it, and she's now transformed.

Here's more from her article in The Teacher's Magazine, starting with how repetition is vital.

Chloe Kwan, now in Year 10, St George Girls High School, reading from her article in the Teachers Guild magazine.

And once again, a response from Petro Pavozoglou.

For 20 years, a school principal, and now leading a teaching outfit called Rise and Shine.

Petro, impressed?

On your training, were you taught how to teach science yourself?

So if you want to be a primary school teacher, how much science do you get now in your training?

Former school principal Petro Pavazoglu and more from both next week.

And it's interesting how this educational neglect is an international concern.

Here's Rhys Halter in California on his nation's worrying deficit.