US

Emancipation Day is a reminder that southwestern Ontario was once a mecca for enslaved people fleeing the United States. Source link

The National Autonomous University of Mexico, or UNAM, is investigating after experts found that as many as half of all entrance exams could have involved cheating, including with A.I. Source link

The geometric earthwork structures, carved into the ground with embankments and ditches, are in some cases more than 2,500 years old, researchers said. Source link

The Douglas DC-3 was mass produced during World War II. Today, one of the few still remaining transports passengers in Colombia’s jungle. Source link

The geometric earthwork structures, carved into the ground with embankments and ditches, are in some cases more than 2,500 years old, researchers said. Source link

As the Mexican-inspired American chain makes its debut in Mexico, it faces a major hurdle: convincing Mexicans to buy an Americanized take on their own national cuisine. Source link

The seaweed — a stinky, brown algae known as sargassum — has plagued Mexico and the broader region for more than a decade, but this year’s forecast is setting records. Source link

The group of former health and national security officials warned that Americans will be more vulnerable to infectious disease threats. Source link

President Trump keeps predicting Cuba will collapse after he cut off its oil. But it’s still standing. Our reporter Jack Nicas visited to see how Cubans are adopting solar to offset the power shortage. Source link

A top Cuban official says the island won’t negotiate its politics, but it is willing to talk investment, including from President Trump. Source link