Sophie Chou

Data Journalist

The World

Sophie Chou is a Data Journalist at PRI.

Sophie is a data journalist with a background in research and computer science.Before coming to PRI, she was the Google News Fellow at the Pew Research Center. There, she worked on a report to analyze the impact of media coverage of the Flint water crisis.Sophie did her Master’s degree at the MIT Media Lab, where she used social media analysis and computational social science to look at how news stories spread on Twitter.She has a passion for science and stories, in every combination.She left PRI in 2018.

Harley-Davidson motorcycles on display at the company’s headquarters in Milwaukee, Wisconsin. An EPA penalty of $15 million for selling emissions defeat devices was decreased by $3 million under the Trump administration in December 2017.

Environmental prosecutions under Trump projected to be the lowest in two decades

Global Politics

Despite promises to “promote clean air and water,” environmental prosecutions and penalties have drastically decreased during Trump’s first year.

Actress Meryl Streep (L) and the director of the National Domestic Workers Alliance, Ai-jen Poo, at the 75th Golden Globe Awards.

Millions say #MeToo. But not everyone is heard equally.

(Left to right): Indira Marquez Robles, Dustin Henderson, Maria Geneva Reyes, Mwewa Mwange and Jasiel López (left to right) are recipients of Deferred Action for Childhood Arrivals (DACA).

Nearly 40 percent of DACA recipients are high school or college students. Now their future is in limbo.

A group of men wearing camouflage clothing and FBI vests stand next to an armored car outside the Mandalay Bay Hotel in the pre-dawn light.

There’s no evidence linking the Las Vegas attack to ISIS. So why did the group claim responsibility?

An excerpt from Jomny Sun's book, "everyone’s a aliebn when ur a aliebn too."

How to speak like an aliebn — no, that’s not a typo

Man holding up ID card for medical school

DACA recipients won’t go back into the shadows quietly


Julio Ramos just started medical school, but unless Congress passes laws to protect undocumented immigrants brought to the US as children, it’s unclear if he can finish his training. Or pay back the student loans he’s already taken out.

An Iraqi man holds a picture of victims of the Karrada suicide bomb attack in Baghdad, Iraq on July 10, 2016, one week after the attack.

More than 75 percent of terrorist attacks in 2016 took place in just 10 countries


Three of every four terror attacks last year took place in Iraq, Afghanistan, India, Pakistan, the Philippines, Somalia, Turkey, Nigeria, Yemen or Syria, according to the latest data from the Global Terrorism Database.

Global Terrorism Database

What does a day in terrorism look like?


Terrorism is disproportionately concentrated in just a few places in the world. Last year, more than 75 percent of terrorist attacks took place in 10 countries.

Members of the #BringBackOurGirls campaign react on the presentation of a banner referring to the kidnapped Chibok school girls, during a sit-out in Abuja, Nigeria May 18, 2016,

Terrorists launched fewer attacks in 2016. But they took twice as many hostages.


In 2016, there were 13,446 terror attacks — a 9 percent decrease from the previous year — but the number of victims kidnapped or held hostage nearly doubled.

An encryption message is seen on the WhatsApp application on an iPhone.

It’s not just your color printer that could betray you. Here are 5 other ways you’re being tracked.


Yellow dots are hidden on pages you print and geotagged information is encoded in every photo you take. Everything you do online leaves a trail of virtual breadcrumbs.