Crowdsourcing 10,000 years of land use

More than 250 archaeologists from around the world contributed their knowledge to ArchaeoGLOBE, an effort to better understand the prevalence of agriculture, pastoralism, and hunting and gathering at different points in human history.

Michele W. Berger

The ‘off’ button that lets plants make flowers

Flowers aren’t just pretty to look at; without them, plants couldn’t reproduce. Investigating the critical process of flower formation in plants, School of Arts and Sciences biologist Doris Wagner and colleagues discovered how a key gene is shut off in order for blooms to form. “Identity is not just what you are; it’s what you aren’t,” she says.

Katherine Unger Baillie