Tech

You asked. Ars answers. Here’s how to give an electric eel an MRI

Enlarge / Veterinarians at Chicago’s Shedd Aquarium have pioneered a lot of unusual procedures to diagnosis and treat the animals in their care—including figuring out to give MRIs to electric eels. (credit: Aurich Lawson | Getty Images) Right before Thanksgiving, we reported on how Chicago’s Shedd Aquarium solved the Curious Case of the Missing Chloroquine. […]

Tech

Study: Solitary electric eels sometimes hunt in groups with synchronized zaps

Volta’s electric eels can gather in groups, working together to corral smaller fish in shallower waters, a new study finds. Then, smaller groups of about 10 eels attack in unison with high-voltage discharges. Electric eels were long believed to be solitary predators, preferring to hunt and kill their prey alone by sneaking up on unsuspecting […]