The eternal cry of neuroscientists and AI researchers everywhere! While we've mapped genomes, cloned sheep, and taught robots to do backflips, the human brain—with its 86 billion neurons and quadrillion synapses—remains stubbornly resistant to our "ctrl+c, ctrl+v" ambitions. It's like nature's saying, "Nice try, humans, but I've been working on this masterpiece for millions of years. Come back when you've figured out consciousness, memory, and why you always forget someone's name right after being introduced." The brain: the original cloud storage system with encryption even we can't crack.