On today's show: A history-making marathon win, volcanoes on the moon, trees made from dry grass, giant owl-spotting, and a pollution-sucking jumping castle.

QUIZ QUESTIONS:

1. How many golds did Madison win in Tokyo?

2. How old were the most recently discovered moon rocks?

3. What does 'Tjanpi' mean?

4. In which country was the Shelley's eagle owl spotted?

5. What eats the pollution sucked out of the air by the jumping castle?

BONUS TRICKY QUESTION:

What is the Pitjantjatjara name for 'Happy Trees'?

ANSWERS:

1. Two

2. Two billion years old

3. Grass

4. Ghana

5. Algae

BONUS TRICKY ANSWER

Punu Pukurlpa