“Does Family Planning Bring Down Fertility” in Science’s special July issue on population, author Jocelyn Kaiser engages various experts to explore whether family planning programs actually help to reduce high fertility. Social demographer Amy Tsui of Johns Hopkins University argues that surveys indicating “unmet need” in family planning “don’t tell us anything about causation.” On … Continue reading What’s the Impact of Family Planning in the Developing World? ‘Science’ Magazine’s Population Issue