The Science of Push and Pull

Two fascinating articles. First, the mysterious push. Princeton chemists and biologists have discovered an engine within the mitochondria that serves to push organisms towards greater evolutionary fitness. The press release is a bit opaque, but the men in New Jersey say, “What we have found is that certain kinds of biological structures exist that are able to steer the process of evolution toward improved fitness.” 

Next, the puzzling pull. Evidently dark cosmic magnets beyond the edge of our universe are tugging away at galaxy clusters. A NASA astrophysicist speculates, “this motion is caused by structures well beyond the current cosmological horizon, which is more than 14 billion light-years away.”

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