With a quick glance, everything seems normal. But look closer. Can you tell the difference between people and AI, cyborgs, or robots?

Every day, science steps closer to creating artificial life. But how close are we--really--to replacing half our bodies with robotic parts? Can we count on robots to work for us as helpers, assistants, and servers, or are we flirting with danger just imagining the possibilities? Would there be downsides to making machines more mindful? And are there any ethical conundrums that are created as a result? If only we could send a robot to the future to find out . . .