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May 14, 2009

Immigration and Migration
China’s Internal Migrants

China’s rapid economic development has been fueled in large part by a massive migration of rural workers to cities and industrial zones. Young, poorly educated, and highly mobile, these workers conti…

June 10, 2022

United States
U.S. Gun Policy: Global Comparisons

The United States is witnessing another year of record gun violence, raising domestic and international scrutiny of its comparatively loose gun laws and placing pressure on lawmakers to enact meaning…

A gun enthusiast looks at a rifle scope

August 22, 2022

Infectious Diseases
Why Hasn’t the World Eradicated Polio?

The world is inching closer to eradicating polio, but armed conflicts and opposition to vaccines stand in the way of finally eliminating the disease.

A health worker marks the finger of a child with indelible ink during an anti-polio campaign at an Afghan refugee settlement on the outskirts of Islamabad, Pakistan.

December 5, 2022

Pharmaceuticals and Vaccines
A Guide to Global COVID-19 Vaccine Efforts

The swift development of effective vaccines against COVID-19 was an unprecedented scientific achievement. But production challenges, vaccine nationalism, and new variants have all presented hurdles.

Physician Alister Martin receives one of the first doses of the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at Massachusetts General Hospital in Boston, Massachusetts, U.S., December 16, 2020.Craig F. Walker