The answer to whether or not we are alone in the universe could be hidden inside every cell in our body.

Astrophysicists Vladimir I. Cherbak and Maxim A. Makukov are looking for an intelligent signal embedded in our genetic code that cannot be explained by Darwinian evolution. They call it "biological SETI."

On the Discovery website, Ray Villard quotes the researchers as saying, "Once fixed, the code might stay unchanged over cosmological timescales."

But does our DNA contain such a code? The scientists say that their detailed analysis of the human genome displays a precise orderliness in the mapping between DNA’s nucleotides and amino acids–in other words, "Simple arrangements of the code reveal an ensemble of arithmetical and ideographical patterns of symbolic language. Accurate and systematic, these underlying patterns appear as a product of precision logic and nontrivial computing."

They conclude that the genetic code "appears that it was invented outside the solar system already several billions years ago."

No wonder scientists are thinking this way: On, Tia Ghose writes that a new computer simulation suggest that the universe may grow like a giant brain, and that "some undiscovered, fundamental laws may govern the growth of systems large and small, from the electrical firing between brain cells and growth of social networks to the expansion of galaxies."

She quotes physicist Dmitri Krioukov as saying, "Natural growth dynamics are the same for different real networks, like the Internet or the brain or social networks."

And Villard concludes with this intriguing question: "If the genetic code is ultimately considered the handprint of an extraterrestrial grand designer, then who designed the designer?" Is this one of those secrets that we’re not being told? (NOTE: Subscribers can still listen to this show and new one-year subscribers will get a FREE tote bag–but only while supplies last!)

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