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How the science of rocks is like the science of humans
Editor in chief Nancy Shute examines how a simple question can lead to a complex search for answers in both geology and human psychology.
- Space
What has Perseverance found in two years on Mars?
NASA's Perseverance rover has turned up volcanic rocks, signs of flowing water and some of the materials necessary for life.
- Tech
This robot automatically tucks its limbs to squeeze through spaces
Inspired by ants, a robot with telescoping legs can crawl under low ceilings, climb over steps and move on grass, loose rock and mulch.
