Springtails - the tiniest critters you've never heard of

Springtails are pretty much everywhere, and all over the world. They are important nutrient recyclers, but not many people know about them.

• Guest: Mark Stevens, Senior research scientist at the South Australian Museum. Affiliate associate professor at Adelaide University’s School of Biological Sciences. Co-author, with Cyrille D’Haese of Sorbonne University, of an article on springtails for The Conversation 
• Producer: Ann Arnold