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Margaret Harwood sat on the floor for this posed tableau on May 19, 1925. Harvia Wilson is at far left, sharing a table with Annie Cannon (too busy to look up) and Antonia Maury (left foreground). The woman at the drafting table is Cecilia Payne."

Light years ahead

Star analysts of Harvard College Observatory struck Dava Sobel as book-worthy history

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Shing-Tung Yau (from left), William Caspar Graustein Professor of Mathematics, Ben Allen, researcher at the Program for Evolutionary Dynamics (PED), and Martin Nowak, PED director, are co-authors of a new study that examines how cooperation emerges in social networks and debuts an algorithm that can calculate the likelihood that a network will foster cooperation.

Where cooperation thrives

In new research on social networks, ‘a mathematical argument for stable families or for stable friendships’

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Research on variations in spending and outcomes among geographic regions and hospitals has produced mixed results, but most evidence suggests that greater spending does not reliably translate into better outcomes, according to the study.

More money, same results

For hospitalized patients, expensive care doesn’t buy better health, study finds

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Amanda Pallais, Paul Sack Associate Professor of Political Economy and Social Studies, is the co-author of a recent study that found minority workers perform far less efficiently when working under biased managers.

When bias hurts profits

Working under prejudiced managers can prompt minorities to scale back efforts, study says

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Cutting-edge scientific tools yielded images of the atoms in the material and monitored how the composition of the catalyst surface changes.

Catalyzing discovery

Three papers shed new light on how catalysis works, may lead to more efficient chemical processes

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