From left to right, the structures of A, B and...

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It astonishes me that our DNA is about 2 meters in length but fits in a cell only a few micrometers in size. How is this possible? It turns out our DNA is spooled and folded in ways that compact it into its very tight home. This means to activate or turn on a gene (piece of DNA), it must be unfolded and un-spooled first. This is a complex process that seems more like the workings of our home computer than our bodies. There is no doubt, in mind anyway, that we are programmed. We respond to our environment in ways we never dreamed of. As scientists search for life in more hostile environments it is clear we have to think very differently. If we were to send a spaceship to many different planets and satellites in search of life, what would be onboard? Any robot we build would survive only in a small number of environments. We wouldn’t know what those environments were until we got there. Imagine a nanorobotic device that can build a robot based on the environment it finds. It adapts to specifics as it goes. This would give the highest possibility of survival for the robotic on a foreign hostile planet. It is NOT farfetched to imagine that life here started in a similar way. These cells would grouped together and communicated as they evolved into more complex creatures. Interacting with ones environment would raise the possibility of survival.

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