Author: Talia Ogliore

Older male rhesus monkeys sire fewer offspring. Sperm quality or quantity, or the survival of infants, may decline with the age of the would-be father, a new study from biological anthropologist Krista Milich in Arts & Sciences suggests.

Undergraduates in the class “Anthropology of Infectious Diseases” in Arts & Sciences presented their findings during a remote symposium held April 22. The event was the last gathering for students in a course that became far more consequential than anyone could have predicted.

A study by biologist Amanda Koltz in Arts & Sciences at Washington University in St. Louis suggests that as female wolf spiders become larger and produce more offspring, competition among them increases — triggering higher rates of cannibalism and reducing the number of young spiders that survive to adulthood.

New research led by anthropologists at Washington University in St. Louis shows that encounters between gorilla groups were much more frequent, and that they had more varied social exchanges than expected. The effort is part of a long-term collaboration with the Congolese government and Wildlife Conservation Society that is changing perspectives on gorilla behavior, ecology and health.

A new study from Washington University in St. Louis is the first to demonstrate evolutionary response to hurricanes on a wide geographic scale.

Anthropologist Fiona Marshall in Arts & Sciences was elected a member of the American Academy of Arts and Sciences on April 23.

Mathematician Steven G. Krantz in Arts & Sciences at Washington University in St. Louis is using a mathematical tool called wavelets to combat underreporting in the COVID-19 pandemic. His latest model predicts the number of near-term hospitalizations for older adults with one or a combination of underlying conditions: hypertension, cardiovascular disease and lung disease.

Free from the risk of predators and intent to attract potential mates, male lizards relocated to experimental islets in Greece produce a novel chemical calling card, according to new research from biologists in Arts & Sciences at Washington University in St. Louis.

Animal milk was essential to east African herders at least 5,000 years ago, according to a new study that uncovers the consumption habits in what is now Kenya and Tanzania — and sheds a light on human evolution, according to new research from anthropologists from Washington University in St. Louis.

A research team led by Jonathan Losos, the William H. Danforth Distinguished Professor and professor of biology in Arts & Sciences at Washington University in St. Louis, was awarded $1.2 million for a CRISPR-based gene editing study of Central American lizards.