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A new study outlines the ways by which city life may be shaping the evolution of urban coyotes, the highly adaptable carnivores spotted in alleyways from Berkeley, Calif., to the Bronx, in New York.

Pawpaw fruits — the largest native fruits in North America — have become popular among foragers and foodies alike, with their custard-like texture and a sweet flavor often described as a cross between a mango and a banana.

Weedy rice is a close relative of cultivated rice that infests rice fields worldwide and drastically reduces yields. To combat this agricultural pest, rice growers in the southeastern United States have been planting rice cultivars that were tweaked to allow them to apply herbicides that target weedy rice without harming the crop.

A new study published in Cell uncovers the deep evolutionary roots of flint and dent maize, commonly known as corn, two foundational varieties central to modern maize breeding and cultivation. Eighteen samples came from Ozark rockshelters and provide the first ancient maize DNA from east of the Rocky Mountains.

Alumnus Deko Devins is on a mission to make solar power more widespread, affordable and accessible.

Young-Shin Jun and her team at the McKelvey School of Engineering see untapped resources in the chemical compounds in highly saline wastewater.

Iannotti and her E3 Nutrition Lab at WashU investigate maternal and child nutrition by examining the impact of nutrient-rich foods that are locally sourced and affordable.

Linda C. Samuels, professor and chair of urban design at the Sam Fox School at WashU, has been named the inaugural director of sustainable design and environmental justice at the school.

In this Q&A, Heyda discusses Ferguson, the built environment and the roots of underlying systems.