The Evolution of the C-Squirt

Karma Nanglu says that there could be other fossils like this one already in museums, sitting in cabinets waiting to be found. The soft tissues in modern-day C-squirts share some gene regulatory pathways with the muscles in your heart. So the heart beating in your chest right now is genetically linked in a distant way to this creature from half a billion years ago. In our second story, let's talk about mosquitoes and the diseases they help spread.