Scientist Ray Kurzweil has been in the news a lot this week for saying that within 25 years humans could not only become immortal but could also reverse the aging process.

Mr Kurzweil believes this is possible thanks to an increase in the understanding of how the human body works coupled with a greater understanding of nanotechnology. Artificial pancreases and neural implants are already available, and the 61-year-old believes it’s only a matter of time until our major organs can be replaced with technology to keep us alive longer.

He said: “”Nanotechnology will extend our mental capacities to such an extent we will be able to write books within minutes.

“If we want to go into virtual-reality mode, nanobots will shut down brain signals and take us wherever we want to go. Virtual sex will become commonplace. And in our daily lives, hologram like figures will pop in our brain to explain what is happening.”

With an already increasing population – that some believe to already be overbearing on the planet’s resources – if this were to come true some of science’s previous whacky claims such as us living on the moon and eating meals in pill form would have to happen at roughly the same time. Although with the prospect of eternal life the behaviour of some people towards the place we live may start to buck up.

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