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Many nocturnal animals including insects use a species-specific smell, that is, a sex pheromone, to locate and attract potential mates. For example, female American cockroaches emit sex pheromones called “periplanones” with unique chemical structures. Males that detect them with their antennae orientate towards the pheromone source, preform courtship rituals, and mate. Read More

Science News

Ever stand up too quickly and see stars? Fainting from low blood pressure can be dangerous for astronauts as well as for patients. With the 50th anniversary of the Apollo 11 moon landing approaching, UT Southwestern Medical Center researchers are publishing heart-related space research that helps us to understand the problem of low blood pressure. …