When Charles Darwin proposed his theory of evolution in 1859 there were many scientific problems with the idea. Today, a century and a half later, we know of a great many more empirical challenges to the idea that the species arose spontaneously. The latest falsified expectation is that microRNAs, discovered only a few decades ago, when compared between different species do not align with the evolutionary tree. Evolutionist Kevin Peterson and colleagues are pursuing this research. “I’ve looked at thousands of microRNA genes,” explains Peterson, “and I can’t find a single example that would support the traditional tree.” Read more