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We've all been stunned by images showing the dramatic retreat of mountain glaciers. Yet few of us have given much thought to what happens next. Now the first study to look at how life invades soil immediately after mountain glaciers melt has an answer. Primitive bacteria step in to colonise the area, enrich the soil with nutrients, and even cement the ground, preventing landslides, say researchers who have studied the process in the Peruvian Andes.

Voices of the World collaborative project connecting learners in the primary grades using a different tool each month.

Voices Of The World was created by Sharon Tonner from The High School Of Dundee in Scotland to connect children from around the world using their voices rather than the standard text and images and prepare them for their globalised future.

extraordinary