How scientists engineered a transparent octopus with its brain in plain sight

Becoming invisible usually requires magic. For some inch-sized squid, all it takes is a little genetic tweaking. When these squid are genetically altered, “they’re really hard to spot,” even for their keepers, says Joshua Rosenthala senior scientist at the Marine Biological Laboratory in Woods Hole, Mass. “We know we’re putting it in this aquarium, but […]