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Cockatoos in Sydney have become expert trash bin burglars. Scientists say birds in different neighborhoods have taught each other different techniques to open the bins, a sign of cultural complexity.

livestock in Colombia are raised on vast, open ranges. Overseeing the herds requires the special skills of Colombian cowboys who are known as llaneros — Spanish for "plainsmen."

Blacklegged ticks, the arachnids that carry Lyme disease, are out and about for more of the year thanks to warming temperatures across much of the country. Here's how to stay safe.

Hundreds of people left San Jose Calderas for work opportunities in the U.S. They sent back money that helped the village prosper. Things changed when many of them were deported and had to come back.

People were forced to leave their pets behind during Hurricane Katrina, creating an unprecedented animal welfare crisis that has shaped the country's disaster response ever since.

Guilt still haunts a new mother who was addicted to opioids when she got pregnant. Once she was ready to ask for help, treatment programs that could handle her complicated pregnancy were hard to find.

Boeing's CEO will testify before lawmakers Tuesday and Wednesday mornings, amid a long-running investigation into the safety of the Boeing 737 Max and Boeing's role and responsibility.

A new restaurant has become a haven for the city's Cuban community, as they deal with the uncertainty of living in a foreign land and an increasingly complex immigration landscape.

Entrepreneurs are eager to find substitutes for plastic that naturally degrade. One option is a "natural" plastic made by microbes and then eaten by them. But the process is still in the early days.

Melissa Block talks to U.S. women's soccer player Megan Rapinoe about winning a gold medal in London, the future of the profession, and coming out before the start of the Olympics.