North & Central America

This archive covers progress stories from North and Central America, spanning the U.S., Canada, Mexico, and the countries of Central America. The 1,760 articles here track milestones in areas such as public health, conservation, policy, and community-led initiatives across the region. Browse to find reported evidence of what is working and why.

Pregnant woman

New AI algorithm predicts pregnancy complications

Researchers from Carnegie Mellon University and the University of Pittsburgh Medical Center have developed an algorithm capable of spotting signs of decidual vasculopathy in placenta tissue. The algorithm has correctly identified damaged vessels 94% of the time and healthy vessels 96% of the time.