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Richard Dawkins used his Twitter account to ask some unanswered questions about biology that he finds fascinating, inviting others to share ideas about hypothetical life forms that may or may not have evolved. By nature, these questions can only be addressed using some degree of speculation, but I find this one particularly interesting and I will attempt to answer it. He asks: Continue reading
Somewhere between single-celled organisms and human beings, brains evolved. Just why and how is still shrouded in mystery. Continue reading
In nature, we find many examples of animals that favor mates with a certain set of features. In some cases, such sexual selection leads to impressive changes to the morphology of animals through the course of evolution, such as the enormous and colorful tail of peacocks, deployed during courtship. When choosing a partner for reproduction, animals are facing an important dilemma. On the one hand, some of the characteristics of their potential mate may truly indicate the quality of their genes – they may somehow correlate with how good of an offspring can be expected from mating with them. Continue reading
How does the visual system process information from the outside world and what are the rules that constrain the evolution of sensory systems? We discuss these questions with Dale Purves, Geller Professor of Neurobiology at Duke University. Continue reading
The last months have been an occasion for me to go around the web and I found some great resources for people interested in learning about neuroscience. Continue reading
In this episode, we look at the extraordinary evolutionary history of the genes related to the synapse which were present even before the evolution of neurons. Our guest is Kenneth S. Kosik from UCSB. Continue reading