Each baby has a distinct cry based on what it needs at the moment. Parents quickly learn what sound means "I'm hungry!" and which one means "I want to be picked up!" and especially "Bring back America's manned space program!"
Testing has to start young! Really, really young. Dress your favorite test subject up in vibrant orange and prepare them for an exciting career in SCIENCE! Short sleeves, lap shoulders, and 3-snap closure for, uh, accessing sample data.