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Written by Julia Cleghorn Cow farts and burps are a big, smelly problem. They contain a lot of methane – a greenhouse gas that contributes to climate change. Kangaroos, on the other hand, produce a lot less methane when they toot.

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!

Recently we explained how some microbes keep us healthy. Unfortunately, not all microorganisms are helpful, and some cause illness. Recent discoveries could help keep nasties at bay.

Coral reefs, rainforests, wetlands – these are just a few examples of ecosystems. But you don’t have to go travelling far and wide to find them. You have your own personal ecosystem that goes wherever you go: your microbiome.