Jin Wu

We measured how much air pollution two children, Monu and Aamya, breathed for a day to see how much inequality makes a difference.

A new law takes aim at dissent, creating a challenge to free expression. We documented the changing nature of speech.

New data from nearly 50 cities shows the number of people hospitalized with coronavirus is rising in a wide expanse of hot spots around the country.

China and India are locked in a tense, deadly struggle for advantage on their disputed mountain border.

Here’s the outbreak's toll in 25 cities and regions compared with hurricanes, heat waves and the Spanish flu.

Images from Saturday, June 6, show the scale of the protests against police brutality and racism, following the death of George Floyd.

Far more people died in 2020 during the pandemic than have been officially reported, a review of mortality data in 35 countries shows.

Italy underestimated the spread of the virus at first. These maps show why the country’s nationwide lockdown came too late to contain it.

Some metros in the U.S. could have worse outbreaks than those in Italy’s Lombardy region or in Wuhan, China.

We analyzed the movements of hundreds of millions of people to show why the most extensive travel restrictions to stop an outbreak in human history haven’t been enough.