Author Archives: Rafael Medina

<span property="name">Rafael Medina</span>
Rafael Medina is Assistant Professor of Biology at Augustana College (Illinois, USA). He earned his Ph.D. at Universidad Autónoma de Madrid and was a postdoctoral research associate at the University of Connecticut. His research experience focuses on the taxonomy, phylogenetics, and phylogenomics of bryophytes, but he is also interested in the broad study of biodiversity and science communication.

It is happening again, right now. In multiple localities across Eastern North America, as the end of the spring warms up the soil, legions of hundreds of thousands of insects are being awakened from their underground hides. They reach the […]

You’re sitting in a room with an all-southern view. Suddenly, a bear walks by the window. What color is the bear?
Young Sherlock Holmes. Barry Levinson (1985)
The polar bear (Ursus maritimus) is one of the most unmistakable […]

Alfred Russel Wallace (1823-1813) is especially known as one of the discoverers of evolution by natural selection. However, among his various contributions to the development of modern biology we can also consider the British naturalist as the father of biogeography: […]

It is interesting how some ideas get stuck in our minds even long after it is proved that they are incorrect or incomplete. Haeckel’s Recapitulation Theory, which states that during the embryological development of an organism it undergoes through different […]

Life is full of compromises, and so is evolution. We often wonder about the explanation for particular traits that we find in many different organisms; distinct characteristics present in some of those organisms but not in others. We may hypothesize […]

Nowadays, central Australia is mostly a huge desert. It was not always like that: only five million years ago, this area had a completely different look, with humid forests, rivers, streams and lakes, a strong contrast to the current dry […]

Maybe you find interesting, as I certainly do, to read in the news that a new species has been discovered somewhere in the World. We recently witnessed the surprising and unusual finding of a new, beautiful monkey in Congo: the […]