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Why a 70 percent top tax rate will miss its mark
two people at a desk with calculators, papers, pens and pencils

Why a 70 percent top tax rate will miss its mark

Penn Wharton Budget Model’s Richard Prisinzano discusses the idea of raising the top marginal tax rate to as high as 70 percent on income over $10 million.

Penn Today Staff

A shared past for East Africa’s hunter-gatherers
A few people stand in front of a building talking to a larger group of gathered people listening.

With the help of a local translator, Simon Thompson (in blue plaid shirt) from Sarah Tishkoff’s lab and Dawit Wolde-Meskel (in yellow shirt), a collaborator from Addis Ababa University, explain the research project on African population genetics to the Argobba population, Ethiopia. After the project is presented, the researchers answer any questions. (Credit: Tishkoff lab)

A shared past for East Africa’s hunter-gatherers

PIK Professor Sarah Tishkoff, Laura Scheinfeldt, and Sameer Soi use data from 50 populations to study African genetic diversity. Their analysis suggests that geographically far-flung hunter-gatherer groups share a common ancestry.

Katherine Unger Baillie

Human milk is a ‘life-saving intervention’ for infants with congenital heart disease
two bottles of breast milk with pump flange and infant in background

Human milk is a ‘life-saving intervention’ for infants with congenital heart disease

With a lower risk of serious complications and improved feeding and growth outcomes, human milk is strongly preferred as the best diet for infants with congenital heart disease, according to a research review in Advances in Neonatal Care.

Penn Today Staff

Opioids and hepatitis C: How OxyContin fed a new epidemic
Gloved hand holding a positive Hep C test stick

Opioids and hepatitis C: How OxyContin fed a new epidemic

A new study from LDI senior fellow Abby Alpert, with David Powell and Rosalie Pacula, links OxyContin reformulation to a national epidemic of hepatitis C, which kills more than 20,000 Americans a year and infects tens of thousands more.  

Penn Today Staff

Black feminism 101
Feminista Jones and Tanji Gilliam seated in front of a small crowd at the Penn Book Center

Feminista Jones (left) and Tanji Gilliam of the Africana Studies department address the crowd at the Penn Book Center on Feb. 13.

Black feminism 101

Author and alum Feminista Jones joined Tanji Gilliam of Africana Studies in a discussion of her new book “Reclaiming Our Space,” examining how Twitter and modern liberation movements are all borne from black women’s words, struggle, and history.
What does a dolphin have in common with a fruit fly?
Dolphin and fruit fly

What does a dolphin have in common with a fruit fly?

To determine what goes on during sleep, a trio of Penn experts studied sleep function across phylogeny—that is, the evolutionary development of species—to find the origins of the need for sleep.

Penn Today Staff

To get smokers to quit, tap into their biology
Andrew Strasser in tobacco lab conducting research

To get smokers to quit, tap into their biology

How quickly nicotine clears the bloodstream determines which treatment will work best, a tool scientists at Penn Medicine are using to advance the field of tobacco research.

Michele W. Berger