We May Have Alien DNA
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."
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