Ancient surgeons: A characterization of Mesopotamian surgical practices.

Background: The Ancient Mesopotamian civilization, the earliest known, emerged in the fourth millennium BCE. While the advent of medicine is established, there is little understanding of surgery's origins. We sought to describe the characteristics and medical acumen of the surgeons of the first civilization.

Facilitating Systems Thinking Through Arts-Based STEM Integration.

Engaging with socio-scientific issues often involves making sense of how - and for whom - actions, choices, and policies might affect aspects of daily life. Understanding the complexity of socio-scientific issues also requires recognizing the interconnectedness of - and working across - multiple communities and professions. We suggest that art, whether musical composition, illustrations, or sculpture / collage across materials would promote the synthesis of different types of knowledge across different scales and systems.

Territory defense as a condition-dependent component of male reproductive success in Drosophila serrata.

Sexual selection arises from both intrasexual competition and mate choice. With respect to the evolution of male traits, there is a vast literature documenting the existence of female choice and male-male competition, and both have been shown to co-occur in many species. Despite numerous studies of these two components of male reproductive success in isolation, few have investigated whether and how they interact to determine total sexual selection.