Evolutionary Consequences News Today

Recent studies have illustrated the links between structural racism, pernicious landscape features such as urban heat islands, and its impacts to biodiversity – including the birds you might spot in your city.

The modification of male pedipalps into secondary sexual intromittent organs is one of the hallmark characteristics of spiders, yet understanding the development and evolution of male genitalia across the order remains a challenging prospect. The embolus – the sclerite bearing the efferent spermatic duct or spermophor, and used to deliver sperm directly to the female genitalia during copulation – has always been considered the single unambiguously homologous palpal sclerite shared by all spi...