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Our favorite photos of the year
color powder on student's face during holi festival

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Our favorite photos of the year

Penn Today’s iconic photos of the 2023-24 academic year highlight the beauty, achievements, innovation, and celebration in the Penn community.

Penn Today Staff

False belief in MMR vaccine-autism link endures as measles threat persists
A small child getting a Band-Aid on their arm from a doctor after receiving a vaccine.

Image: iStock/Jacob Wackerhausen

False belief in MMR vaccine-autism link endures as measles threat persists

As measles cases rise across the United States and vaccination rates for the MMR (measles, mumps, rubella) vaccine continue to fall, a new survey finds that a quarter of U.S. adults do not know that claims that the MMR vaccine causes autism are false.

From the Annenberg Public Policy Center

How unflagged, factual content drives vaccine hesitancy
Many hands holding smartphones and other sources of information about COVID-19.

Image: iStock/zubada

How unflagged, factual content drives vaccine hesitancy

A new paper from computational social scientist Duncan Watts examines how factual, vaccine-skeptical content on Facebook has a greater overall effect than “fake news,” discouraging millions from the COVID-19 shot.

From Penn Engineering Today

Penn’s Katz Center: Working to cultivate the next generation of scholars
Galeet Dardashti performing on stage.

Galeet Dardashti performing on stage for the 30th anniversary of Penn’s Herbert D. Katz Center for Advanced Judaic Studies.

(Image: Lisa J. Godfrey)

Penn’s Katz Center: Working to cultivate the next generation of scholars

For three decades, the Katz Center for Advanced Judaic Studies has fostered research on Jewish studies and shares it with the world.

Michele W. Berger

Penn’s Supplier Diversity Forum & Expo offered networking and resources to area businesses
A group of people standing in front of a woman giving out popsicles. In the background, a large sign reading "BOX OFFICE" and advertisements for Annenberg performances.

At the expo, lil Pop Shop passes out popsicles to guests. 

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Penn’s Supplier Diversity Forum & Expo offered networking and resources to area businesses

The annual Penn Supplier Diversity Forum & Expo showcases the University's commitment to community. The University spent approximately $170 million with diverse suppliers in 2023 and is on track to exceed that number in 2024.

Kristina García

Recognizing a pioneer: Penn Engineering’s Grace Hopper
Grace Hopper in Naval gear introducing a computer system to a student.

Grace Hopper, then head of the Navy Programming Language Section of the Office of the Chief of Naval Operations, discusses a phase of her work with a staff member in August 1976.

(Image: U.S. Navy photo by PH2 David C. MacLean)

Recognizing a pioneer: Penn Engineering’s Grace Hopper

Hopper was honored for developing the A-0 compiler, an early innovation in computer programming.

From Penn Engineering Today

Weitzman’s Rossana Hu on adaptive reuse and historic architecture
Rossana Hu.

Rossana Hu, Miller Professor and Chair of Architecture.

(Image: Eric Sucar)

Weitzman’s Rossana Hu on adaptive reuse and historic architecture

Hu, the Miller Professor and chair of the Department of Architecture, takes a “common sense” approach to adaptive reuse in her design work and teaching.

From the Weitzman School of Design

Researchers upend theory about the formation of the Milky Way Galaxy
Visualization of a ‘wrinkly’ halo of stars around the Milky Way.

This image visualizes the Milky Way and its surrounding “halo” of stars. Most stars in the Milky Way lie in the disc (like the Sun, for example), but stars from past collisions end up in the halo, a large “cloud” of stars that extends outwards in all directions. These halo stars have been enhanced in this image, but in reality would be very dim compared to the disc. The halo appears messy and “wrinkly” here, a sign that a merger has occurred relatively recently.

(Image: Halo stars: ESA/Gaia/DPAC, T Donlon et al. 2024; Background Milky Way and Magellanic Clouds: Stefan Payne-Wardenaar)

Researchers upend theory about the formation of the Milky Way Galaxy

New findings by Robyn Sanderson and collaborators suggest galaxy’s last major collision was billions of years later than previously thought.