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Reviews & Analysis

Authoritative reviews, perspectives and analyses of the state of a field.

2 articles

Review Article Open access

Active matter: from bacterial swarms to robot collectives

Systems made of self-propelled units—from cells to robots—obey shared physical principles that are only now coming into focus.

Aisha Ivanova, Leila Kim … Priya Raman

Lumen 3, 21–30 (2026)