Peter.D.Riley

International bestselling award-winning author Facebook Twitter

Taking science education across the world

Our future depends on exploring all the frontiers of science, on innovative technologies based on these explorations and on the development of scientific literacy in all peoples through science education.

Can you guess this stone’s secret?

Last week’s curiosity was Cuckoo Spit! Although known as cuckoo spit, frog spit or even snake spit, it’s not even spit at all. It’s actually plant sap which is churned into froth by an insect called a Froghopper to protect it’s young in their larval stage.

This week, can you guess what this stone’s secret might be? It’s cracked, I wonder what might be inside!

What's this stone's secret?

What’s this stone’s secret?



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Follow the links below to find out more about my books and book series, as well as downloadable resources for teachers and parents using my books.

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I can be contacted in the following ways. If you have a picture for the Natural World Photo Gallery or the Science Exhibition Gallery, please send it by email.