Speed
- Vision does not impact walking performance in Argentine ants
Summary: Argentine ants plunged into darkness do not slow down while walking on flat and uneven terrain or while approaching and crossing a step obstacle.
- Scaling of swimming performance in baleen whales
Editors' Choice: Motion-sensing tags attached to baleen whales paired with unoccupied aerial system (drone) imagery demonstrate that while oscillatory stroking frequency decreases with size, absolute swimming speed remains consistent over an order of magnitude body mass range.