Horizon takes a look at images of the familiar-yet-alien surface of Mars, seeking signs of water and possibly life.
Pragmatic or dangerous – what do the experts say?
Better predictions of volcano behaviour could protect people and infrastructure.
Bacteria can give structures an ‘in-built immune system’ to help them last longer.
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Dr Kate Rychert studies ocean plate structures.
Dr Chaix says a shift to greener modes of transport is 'extremely complex' to achieve, despite post-lockdown calls for action.