158 Optimized assistance from powered ankle exoskeletons reduces energy cost during running, whereas spring-like assistance is ineffective.

157 Bioinspired underwater locomotion of light-driven liquid crystal gels.

156 A ferrobotic system for automated microfluidic logistics.

155 Acoustically powered surface-slipping mobile microrobots.

154 Autonomic perspiration in 3D-printed hydrogel actuators.

153 Bioinspired sonar reflectors as guiding beacons for autonomous navigation.

152 Using the fringe field of a clinical MRI scanner enables robotic navigation of tethered instruments in deeper vascular regions.

151 Soft biohybrid morphing wings with feathers underactuated by wrist and finger motion.

150 The frequency of cortical microstimulation shapes artificial touch.

149 Nanomagnetic encoding of shape-morphing micromachines.

148 A bilateral teleoperation system facilitates locomotion synchronization of a human operator and a small bipedal robot.

147 A robot was programmed to progressively learn appropriate social autonomous behavior from in situ human demonstrations and guidance.

146 A minimal navigation solution is presented for swarms of tiny flying robots to explore unknown, GPS-denied environments.

145 Floating magnetic microrobots for fiber functionalization.

144 Tuna robotics: A high-frequency experimental platform exploring the performance space of swimming fishes.

143 A robot made of robots: Emergent transport and control of a smarticle ensemble.

142 Optical lace for synthetic afferent neural networks.

141 Consecutive aquatic jump-gliding with water-reactive fuel.

140 Ti3C2Tx MXene electrodes significantly enhanced actuation performance of ionic artificial muscles applied to soft robotic demonstrations.

139 A self-sustained hydrogel oscillator, fueled by constant light, exhibits omnidirectional oscillation and powerful phototactic locomotion.

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