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Does more money correlate with greater happiness?
Illustration of a person holding a brief case bounding up stacks of money. Dollar signs float all around and one appears in a large circular coin at the bottom right.

Image: iStock/uniquepixel

Does more money correlate with greater happiness?

Reconciling previously contradictory results, researchers from Penn and Princeton find a steady association between larger incomes and greater happiness for most people but a rise and plateau for an unhappy minority.

Michele W. Berger

Genomics reveals a complex human history in Africa
Two people from the Hadza group pose and smile outdoors

Study participants included individuals from the Hadza, a group who traditionally practiced hunting and gathering and speak a language that includes click sounds. They live in what is now Tanzania.

(Image: Tishkoff Laboratory)

Genomics reveals a complex human history in Africa

An international team of researchers led by Penn geneticists sequenced the genomes of 180 Indigenous Africans. The results shed light on the origin of modern humans, African population history, and local adaptation.

Katherine Unger Baillie

Engineered magic: Wooden seed carriers mimic the behavior of self-burying seed
Closeup of a seedling sprouting.

Image: Courtesy of Penn Engineering Today

Engineered magic: Wooden seed carriers mimic the behavior of self-burying seed

Researchers from Penn Engineering have developed a seed carrier, fashioned from wood veneer, that could enable aerial seeding of difficult-to-access areas, and could be used for a variety of seeds or fertilizers.

From Penn Engineering Today