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Bigger benefits for kindergarten’s oldest boys uncovered
The paper's lead author is Matthew Jacob, a graduate affiliate of Harvard’s Opportunity Insights research lab and final-year Ph.D. candidate in public policy on the economics track at Harvard Kennedy School and the Harvard Kenneth C. Griffin Graduate School of Arts and Sciences.

Bigger benefits for kindergarten’s oldest boys uncovered

Being born a few days on either side of the school-enrollment cutoff date might seem like an arbitrary difference. But new research finds boys born just after the cutoff, who start kindergarten relatively old for their grade, enjoy far more advantages than previously known.

How a giant predator of prehistoric seas was discovered — twice
Museum of Comparative Zoology collections manager Christina Byrd, at left, and MCZ fossil preparator Scott Johnston pose with a Tylosaurus proriger fossil jaw.

How a giant predator of prehistoric seas was discovered — twice

After 80 million years, a giant fossil jaw has quite a story to tell. Back in the age of the dinosaurs, Tylosaurus proriger was a fearsome predator — a bus-sized aquatic reptile with a crushing snout, daggerlike teeth, and knack for swallowing prey whole. How its bones wound up at Harvard is a tangled yarn involving a Wild West stagecoach station, the early western railroads, the infamous “Bone Wars” between rival fossil hunters, and a founding scholar of natural history.

Women more likely to marry, land jobs after taking GLP-1s
A woman and man, both in professional dress, shake hands.

Women more likely to marry, land jobs after taking GLP-1s

New research by economist Rebecca Diamond found an increase in marriage among single women and an increase in employment rates among unemployed women after they started taking GLP-1 drugs for weight loss. Diamond says the pattern suggests that at least part of the female obesity penalty — the social and financial costs women bear due to their body size — is linked to first impressions.

David Reich on migration, mixed ancestries, and ancient DNA
View of a pair of hands in a lab coat and gloves handling tubes labeled “DNA ONLY”

David Reich on migration, mixed ancestries, and ancient DNA

Drawing on data from over 50,000 genetic samples, Reich’s research shows that the people living in a place today are almost never the direct descendants of the people who lived there before.

How the brain decides where to insulate its own wiring
Postdoctoral researcher Nuria Dominguez-Iturza in front of a microscope

How the brain decides where to insulate its own wiring

A new study by takes a step toward illuminating brain development and providing clues that may lead to therapies for devastating neurological disorders.

Researchers pull landlords from the shadows
An image of classic brick residences in New York City.

Researchers pull landlords from the shadows

Approximately one-third of all households in the United States live in rented properties, but it can be hard to say who the landlords are. In a co-authored research paper, economics professor Rebecca Diamond introduces a method for identifying the deed-holders.

Leading chemist Jeffrey Long to join FAS faculty
Portrait of Jeffrey Long

Leading chemist Jeffrey Long to join FAS faculty

The leading chemist, who studies porous materials for energy and sustainability, will serve as the inaugural Thomas C. Foley Professor of Energy and the Environment beginning January 1, 2027.