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A walk in the Australian bush can occasionally reveal piles of strange, cube-shaped poo, carefully balanced on top of rocks. Although it might seem like a prank, they’re perfectly natural. Chances are, this cube poo has been ejected from a wombat’s rear end.

You might think we know everything there is to know about climate change. We know that greenhouse gases, such as carbon dioxide and methane, are trapping heat. And we know that average temperatures are climbing worldwide. But there’s still lots for us to learn, and new discoveries are being made all the time.

Written by Julia Cleghorn As gross as it may sound, doctors are now trialling poo to treat some patients. In a new study, capsules full of fecal matter – otherwise known as poo – have been found to cure infections in the intestines!