Banning sodas from school vending machines, building walking paths and playgrounds, adding supermarkets to food deserts and requiring nutritional labels on restaurant menus: Such changes to the ...

SOMETIME around AD 1600, Galileo Galilei is supposed to have climbed to the top of the leaning tower of Pisa and dropped two cannonballs of different sizes and weights over the edge. The point was to ...

A large natural experiment in Catalonia shows that moving to areas with higher levels of air pollution is associated with weight gain in young children. The study, led by the Barcelona Institute for ...

Some of the most insightful — and now most celebrated — studies of such major social issues as minimum wages and immigration have seized on naturally occurring events. Pioneering efforts by three ...

Three U.S.-based economists will share this year's Nobel Memorial Prize in Economic Sciences for their innovative work with "natural experiments" – events or policy changes in real life that allow ...

The Nobel Memorial Prize in Economic Sciences was awarded Monday to David Card of the University of California, Berkeley, Joshua Angrist of the Massachusetts Institute of Technology and Guido Imbens ...

Regarding David Henderson’s op-ed “ ‘Natural Experiments’ Lead to an Economics Nobel” (Oct. 12): Natural experiments require circumstances in which political events, geopolitical boundaries and so ...

Cleo McVicker made soap in Cincinnati. Then came the Great Depression. By 1933, his company reeling, McVicker pitched the Kroger grocery store chain on a new product: a cleanser designed specifically ...

A natural experiment is an empirical study in which individuals (or clusters of individuals) are exposed to the experimental and control conditions that are determined by nature or by other factors ...

Finding an activity that adequately keeps kids entertained can be challenging, but the best science kits for kids help stave off boredom, all while being relatively easy to use and educational. The ...