Tree-planting projects are sprouting up worldwide in an effort to sequester carbon. Acres of saplings are quick to plant but don’t necessarily have staying power: many die or are cut down before the trees grow to maturity. A recent study … Continue reading
Journal Club
Highlighting recent, timely papers selected by Academy member labs
Category Archives: Social Sciences
Interdisciplinary study brings a humanist perspective to research on land use change
Decades ago, Brazil’s northeastern State of Bahia produced much of the world’s cocoa for chocolate. Most farms grew their cacao trees interspersed with other native trees, in dense agricultural forests. Children played at the forest edges. Today those children are … Continue reading
PREVIEW Editorial: Scientific versus Public Debates: A PNAS Case Study
Douglas S. Massey1 and Mary C. Waters2,3 1. Office of Population Research, Princeton University, Wallace Hall, Princeton, NJ 08544 USA 2. To whom correspondence may be addressed. Email: mcw@wjh.harvard.edu 3. Department of Sociology, Harvard University, 540 William James Hall, 33 … Continue reading
Trends in conservation funding track popular narratives about the illegal wildlife trade
Trends in conservation funding are changing, according to a recent study in World Development. “We see a shift toward funding conservation work that’s increasingly about combatting wildlife trafficking,” says coauthor Jared Margulies, a human-environment geographer at the University of Alabama … Continue reading
Mediating conflict helps community forestry schemes succeed
Empowering people to manage the forests near their homes is one tool of sustainable development. Widely known as “community forestry,” the notion originated in the 1970s with the dream of fair, equitable, and sustainable forest use. But achieving those aims … Continue reading
Journal Club: Model helps explain how social networks form
One person might befriend another because of a shared love of basket weaving. Or, a friendship may instead blossom because that new friend has divergent interests, and can teach the other new hobbies. These opposing factors—seeking similarities and differences in … Continue reading
Journal Club: Study dissects stereotypes, looking to understand their roots and ways to break them down
A stereotype, put simply, is a belief about a group. But for psychology professor Andrei Cimpian of New York University, that definition doesn’t have sufficient nuance. To understand what a stereotype truly is, he says, we need to understand its … Continue reading
Journal Club: Influence of Peers on Gender Identity Development
Middle school or junior high school is an intense time for many kids. There are many social pressures and plenty of confusion about how to navigate them. Friends exert a strong influence on their peers, including in matters of gender … Continue reading
Short fuse, short telomeres
Men who live a high-stress life—with few social resources, low levels of optimism, and above-average levels of hostility—show signs of the stress in their cells. The ends of their chromosomes, so-called telomeres which wear down naturally as a person ages, … Continue reading
Babies conceived in May often born early
Most scientists would bristle at the suggestion that birth signs can affect a baby’s life. But mounting evidence indicates that the month of conception, at least, can play a role in infant well being. A new study, “Within-mother analysis of … Continue reading