Junk DNA: A Journey Through the Dark Matter of the Genome

Earlier this year, Columbia University Press published a book entitled “Junk DNA: A Journey Through the Dark Matter of the Genome” by Nessa Carey. A popular science book written for a general audience, “Junk DNA” is an exploration of all the ways that DNA can function without coding for proteins. As the author rightly decries, the protein-coding regions of our DNA have gotten … More Junk DNA: A Journey Through the Dark Matter of the Genome

Florida Lizards Show that Evolutionary Change Can Be Rapid

Summary Scientists have observed that a Florida lizard species has moved much higher in the trees when faced with competition from a new competitor, an invasive lizard species from Cuba. Living higher in the trees involves different physical demands. Most importantly, the branches are younger, making them thinner and smoother. A recent experiment has shown … More Florida Lizards Show that Evolutionary Change Can Be Rapid