Humans have evolved with white sclerae, the protective outer layers of the eyes, while all other hominids have dark brown sclerae. A new study suggests this difference is to foster trust and reduce aggressiveness in a social species like humans. Subjects rated faces with whiter sclerae as younger, less aggressive, more attractive, healthier and more trustworthy, supporting the idea that depigmentation increases fitness and trustworthiness. Read full article here
Societal Issues
To curb drug deaths, communities turn to Reddit, texts and wastewater
With drug overdose deaths on the rise, authorities are attempting to curb the epidemic by tracking and sharing information in real time. In one unique effort, a nonprofit in New York City is using drug-testing equipment and stamping or marking habits of dealers to identify drug batches that may endanger users. Other approaches are also being used, such as monitoring drug-related chatter on Reddit and analyzing local wastewater for opioid and other drug levels. With the combination of these efforts, researchers hope to put a dent in the opioid crisis and reduce overdose deaths. Read full article here
Merv
June 1, 2023
