Department ofPhysics of Complex Systems

Ant collective behavior

Prof. Ofer Feinerman

01 / Research

Research

The group studies how cooperation emerges in social insects, using longhorn crazy ants and their cooperative load transport as a tractable model for collective computation. By tracking individual ants while they jointly carry food far too large for any one of them, the work asks how local mechanical and chemical interactions, without central control, give rise to coordinated motion, shared navigation, and group-level decisions. The questions sit at the interface of statistical physics and biology: when does a crowd of limited agents behave as a single cognitive unit, and how is information distributed across the bodies that compose it.

This matters because collective behavior is a general route by which biological systems solve problems that exceed individual capacity, from cells in tissues to neurons in brains. Treating the ant group as a physical system, the group quantifies how individuals balance personal information against conformity, how transient leaders inject correction without disrupting consensus, and how the group navigates and recovers from errors. The results illuminate the limits and advantages of decentralized computation and connect measurable animal behavior to broader theory on emergent intelligence.

High-speed video trackingIndividual-level trajectory analysisBehavioral experimentsStatistical physics modelingNetwork analysisForce and motion measurement
Cooperative load transportQuantifying how many ants jointly carry large loads, coordinating force and direction without a leader through local mechanical and chemical cues.
Individuals versus the collectiveMeasuring when and how single informed ants steer or correct a group, and how individual variation is averaged or amplified at the group scale.
Collective problem solvingStudying how groups navigate obstacles, escape traps, and recover from errors that exceed any single ant's sensing or memory.
Communication and interaction networksMapping the contact, pheromone, and force-mediated networks through which information propagates and decisions are reached.
Group cognition and informationAsking what it means for a colony to sense, remember, and decide, framing collective behavior in terms of distributed information processing.
02 / People

Group members

Staff scientists 2
  • Dr. Ehud Fonio
  • Dr. Rinat Goren
Postdocs & interns 2
  • Dr. Ofri Eitan
  • Dr. Xiaohui Guo
PhD students 4
  • Oran Ayalon
  • Dor Gabai
  • Gadi Trocki Reibstein
  • Michal Roitman
MSc students 2
  • Tejas Anto Kannampuzha
  • Pavel Litvinov
Research support 1
  • Sivan Maane
Listed on the group page, position not in the directory 3
  • Herold Lozover Carmel
  • Guy Lahav
  • Nika Shvartman

14 people are listed with this group, besides the principal investigator. Names and categories are as published in the Weizmann directory and on the group's own page; rooms, phone numbers and e-mail addresses are on the People page.

03 / Output

Recent publications

All publications