Doha Diaries: Zara’s Internship at QCRI

This summer, Zara Hommez traveled from Princeton to Doha, Qatar, for an internship at the Qatar Computing Research Institute (QCRI), where she worked in the Humanitarian AI division. As a sophomore majoring in Operations Research and Financial Engineering (ORFE), she was drawn to the placement through Princeton’s International Internship Program (IIP) because it offered a rare blend of quantitative modeling, computer vision, and real-world impact, which is the exact intersection she hopes to pursue.

When browsing IIP opportunities, QCRI immediately stood out. Its mission to use data and AI to address global humanitarian challenges aligned perfectly with her academic interests in optimization, systems thinking, and applied machine learning. The chance to live in Doha, a rapidly growing, modern city at the heart of the Middle East, added an exciting cultural dimension she was eager to explore.

Zara on a sand buggie
Zara on a sand buggie! Photo credit: Zara Hommez.
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The Role of Struggle in Research

Roman copy of a Greek bronze bust of Aristotle by Lysippos (c. 330 BC).
Roman copy of a Greek bronze bust of Aristotle by Lysippos (c. 330 BC).

Aristotle’s Metaphysics begin with an oft-quoted adage:  πάντες ἄνθρωποι τοῦ εἰδέναι ὀρέγονται φύσει (Aristotle, Metaphysics A.1 980a). “All humans, by their nature, strive to understand.”

With some spare time over fall break, I decided to brush up on my Greek philosophy. My upcoming junior independent work will focus on Lucretius’ philosophical poem De Rerum Natura, and he engages with so many ideas from ancient Greek thinkers – Epicurus, Democritus, Plato, and Aristotle, to name a few – I thought it prudent to be familiar with them. Given that the very purpose of their works is to explain their ideas, I didn’t expect to run into serious trouble as I began reading them. Instead, as I started making my way through Aristotle’s Metaphysics and Plato’s Timaeus, I found myself entangled with ideas of identity, causation, and substance. My overwhelming reaction was… “wait, what?” 

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Expect the Unexpected: Exploration in Archival Research

A picture of the art installation "Rivers," which depicts river lines flowing out of a blue oval and intersecting with various words and symbols.
This cosmogram, “Rivers,” is in the Schomburg Center’s lobby, and contains the poet Langston Hughes’ ashes. Photo credit: Candace Wegner.

This summer, I had the opportunity to do a fellowship at the Schomburg Center for Research in Black Culture in Harlem. The Schomburg is one of the largest archives of Black History in the world, and as part of my fellowship, I got to use their collections to craft an independent research project. Coming into the program, I had a very specific idea of what I wanted to find in the collections. I had found a disagreement in the scholarly literature about the historical relationship between two church denominations. Some scholars argued that the two denominations were historically one, while others argued that they had always been separate organizations. In the Schomburg’s research catalogue, I saw that there was a collection of personal papers belonging to one of the denominations’ founders, which I saw as an opportunity to add a new perspective to this debate.

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In Defense of Core Lab

this image is to represent the kind of group environment that core lab represents, even if this isn't an actual core lab class depicted
A classroom of students reading at Princeton (not core lab). Photo credit: Ryan Halbe.

Many STEM majors here have the same rite of passage: core lab. For non-lab majors, core lab is a class that is purely to teach you about lab techniques and critical thinking skills that are useful for writing our theses. They usually involve a bit of a simulated lab experience where you discover new findings while the teachers guide you through the motions of a lab research experience. 

Molecular biology’s core lab meets twice a week for 3 hours and then a small 50 minute lecture/precept on Fridays for half the semester. Other majors have similar constraints. However, while at first it may seem a bit overwhelming and even redundant if you’ve already done these procedures in a lab or are in a lab that definitely will not be using any procedures you learn, core lab goes beyond just teaching you technical skills. 

I too was confused as to why I was here and why this mattered, but over time, I began to internalize one of the real skills this class is meant to teach you, something that pipetting will never give you: asking the right questions. 

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Facilitating a Research Discussion in COS 436

An example of human computer interaction
A student writes on a tablet using a stylus, an everyday example of human-computer interaction

Having facilitated a precept discussion in COS 436: Human-Computer Interaction, I was able to reflect on what it means not just to thoroughly read a research paper, but also to guide my peers through a structured discussion based on common threads reflecting their thoughts and insights. COS 436 explores how technology and design shape human behavior and counts towards computer science degree progress as a fulfillment of the breadth category. Engagement with foundational research papers in the field and a semester-long research project are the core components of the course. Each week, students are responsible for writing discussion posts on assigned research papers and take turns facilitating precept discussions.

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Jumping Back In!

Stanley Stoutamire standing in front of a university sign.
A picture from the end of my internship!

The summer is always a great time to get involved in research, whether on campus or off campus. One common challenge, however, is figuring out how to actually become a part of those research opportunities. At the end of this summer, I was fortunate enough to be able to return to the research team I worked with last year. While it was exciting to once again be working on the study (an investigation into the effectiveness of peer coaching on high blood pressure) it was a different experience the second time around. Jumping back into any project can introduce new challenges, and research is no different.

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The Art of Bouncing Back

Spring is a bit of a bittersweet time for me every year. When the sun comes out, so does any brain cell willing to do work. Summer is right around the corner, and things just seem to drag–even in the quick Princeton semesters. However, that ‘summer right around the corner’ thought is not always an exciting one. With summer comes the prospect of internships, and perhaps more pressing: the lack of thereof. In a previous post, I discussed tips for applying to internships, but by now, you may have already heard back. If you have heard back and the email made your heart sink to your stomach, this post is for you. I’m here to remind you that internship rejections are not the end of the world. 

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Encounters with Mentorship

Sunlight narrowly streams in an ornate window of the highest floor of Firestone Library in the afternoon.
Firestone Library in the afternoon

As I was graduating high school, everyone – whether it was friends, teachers, or family – told me I had to find a good mentor. I didn’t really know what this meant in the context of college. I had experienced instructive relationships with coaches and teachers before, but I didn’t really know how that would translate into a research-driven environment. 

Now as a sophomore, I understand that especially before declaring a major, it can be challenging to forge mentorship connections. Still, during the first two years of my undergraduate experience, I have encountered mentorship in a variety of ways that I would have never expected. Whether it was through my lab-based courses, an internship, or even a recent serendipitous moment, quality mentorship has been a defining part of my Princeton experience.

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Thanking Your Mentors: Tips on Writing Your Research Paper Acknowledgements

Photo of Princeton's Blair Arch with green grass in the foreground and a blue sky in the background.
I have yet to print my senior thesis, but once I do, I’ll be taking a photo with it in front of Blair Arch (per tradition!). Photo by author.

When I sat down to write the acknowledgements for my senior thesis, I realized something surprising: my department’s resources on how to write a thesis or independent work paper didn’t include any advice on writing this section. In some ways, that makes sense. Most readers focus on sections like the abstract, methodology, and results, which really serve as and highlight the key contributions of the paper. But having guidance on how to write acknowledgements can go a long way in helping students thank the people who made their research possible. In this article, I’ll share a few tips for writing acknowledgements—whether you’re submitting a STEM paper to a conference or wrapping up your senior thesis.

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Paying it Forward: A Faculty Perspective on Mentorship in Research

Headshot of David Walker
David Walker is a Professor of Computer Science at Princeton University whose research focuses on programming languages, formal methods, and computer systems. Known for his commitment to advancing both theoretical and practical understanding in the field, Professor Walker also plays a central role in mentoring students.

As someone who completed my junior independent work under Professor Walker’s guidance last semester, I’ve had the chance to witness his thoughtful mentorship firsthand. In a research culture where both the technical challenge and emotional uncertainty can feel overwhelming, I’ve come to appreciate how crucial the human side of research is—how we learn from and grow with those who guide us. With that in mind, I sat down with Professor Walker to explore how he thinks about mentorship: what it looks like, why it matters, and how he helps students, like me, find their footing in the world of research.

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