Perturbations articles within Nature

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• Letter | 04 January 2012

  Tail-assisted pitch control in lizards, robots and dinosaurs

  Comparison of real lizards with a robotic version and a dinosaur model shows that lizards use their tails to control body pitch in aerial motion by means of transfer of angular momentum from the body to the tail.

  • Thomas Libby
  • , Talia Y. Moore
  •  & Robert J. Full

• Letter | 25 December 2011

  Recovery rates reflect distance to a tipping point in a living system

  Decreased rates of recovery from perturbations, or critical slowing down, are demonstrated in a living system, indicating that recovery rates can be used to probe the resilience of complex systems.

  • Annelies J. Veraart
  • , Elisabeth J. Faassen
  •  & Marten Scheffer