External Carotid Artery Ligation Versus Selective Artery Ligation in Transoral Surgery for Oropharyngeal Cancer.

Objective: Prophylactic ligation of the external carotid artery (ECA) during oropharyngeal squamous cell carcinoma (OPSCC) resection is known to reduce severe postoperative oropharyngeal bleeding events, however, there is limited research on whether bleed rates vary between selective ligation of individual vessels or total ligation of the ECA. This study assesses outcomes related to total versus selective ligation of the ECA in patients who underwent transoral resection for OPSCC of the base of tongue or palatine tonsils.

Study Design: Retrospective review.

Active Control of Contact Angles of Various Liquids from the Response of Self-Assembled Thiol Molecules to Electric Current.

The ability to change wettability in situ would realize active surfaces that can change their functionality and adapt to different environments. This article reports a new and easy method that controls surface wettability in situ. In doing so, three hypotheses were to be proven.

Pride and Uncertainty: A Qualitative Study of Danish Nursing Staff in Temporary COVID-19 Wards.

There is limited knowledge about the psychosocial stress among the nursing staff working on the COVID-19 wards. This article reports on the experiences of frontline health care workers as it was described to supervisors counseling the nursing staff engaged in the response to the outbreak of COVID-19. Frontline health care workers, nurses, and nurses' aides experienced major work changes.

Chaco Canyon Dig Unearths Ethical Concerns.

The field of paleogenomics (the study of ancient genomes) is rapidly advancing, with more robust methods of isolating ancient DNA and increasing access to next-generation DNA sequencing technology. As these studies progress, many important ethical issues have emerged that should be considered when ancient Native American remains, whom we refer to as ancestors, are used in research. We highlight a 2017 article by Kennett et al.