Robotics: RoboKrill is a one-legged robot that mimics the way krill swim

A robot with appendages that mimic the swimming legs of krill could one day be used to study these key marine food sources or explore hard-to-reach places Technology 15 February 2022 By Alex Wilkins The RoboKrill robot has appendages (right) that move like krill’s swimming legs through water Santos et al. A robotic leg moving … Read more

Arctic Krill Track Day and Night Even in Polar Darkness

During Arctic winter, the sun disappears below the horizon for long weeks of “polar night.” But new research shows that tiny crustaceans in the Arctic Ocean somehow maintain their daily rhythms during these extended periods of darkness. Most living creatures use sunlight to time their biological processes and behaviors. This becomes a challenge when there … Read more

We May Finally Know Why Whales Don’t Drown When They Gulp Down Krill

Baleen whales are heavy drinkers. In just ten seconds, these giant mammals can down over five hundred bathtubs of ocean water, filtering out roughly 10 kilograms of krill in a single swig.   All they have to do is open their mouths and lunge forward at roughly 10 kilometers an hour (6 miles per hour). The … Read more