Avian Flu: An Example of Evolution?

There has been a lot of talk lately about the Avian (i.e. Bird) Flu, and how it’s a new virus which has sadly killed a few dozen people and millions of birds. This post will briefly assess whether the Avian Flu is an example of evolution, and also assess the implications for the origin of new genes and biological structures. Our immune systems are engaged in an eternal arm’s race, or perhaps better put, a cat-and-mouse game, against pathogens like viruses. Viruses are trying to hijack our cells’ machinery to make more copies of themselves. When they succeed, our cells can become damaged or destroyed. Our bodies respond by generating antibodies which can attack these viruses and stop them. But Read More ›