Rock-climbing Robots Go to Mars

The agile lemur inspires a four-legged NASA automaton that will roam Martian terrain too extreme for wheeled rovers

Exploring the intricacies of Martian geology requires a steady climber, nimble enough to scale cliffs and dexterous enough to sample the strata. A climbing primate would be a good candidate, if only there were air to breathe and the temperature were warmer than -140