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A record number of kids are joining the FFA, formerly the Future Farmers of America. Many are from urban and suburban areas, and they're shifting the group's focus from agriculture to food science.

Some supplements sold to improve workouts contain a stimulant that's been banned and may pose health risks, according to tests. The Food and Drug Administration has warned seven manufacturers.

Despite the well-publicized capture of drug kingpin "El Chapo," ordinary Mexicans don't think much has changed in the ongoing violence.

Researchers say they've come up with a 30-minute test that can predict a child's language skill and diagnose learning disabilities.

In the past 50 years, better medical care and healthier habits have greatly reduced the risk of dying young from heart disease. But the obesity epidemic threatens to reverse that happy trend.

He's an unusual candidate, but his rise makes complete sense if you consider the current political climate.

Some scientists suggest calling the era we live in the Anthropocene, to denote the time when humans came to dominate Earth's fate. But did it start with farming, the atom bomb or other event?

Google is sharing detailed search data with academic and public health researchers to help them fight the spread of infectious diseases. Will it work?

In San Diego County, the number of people seeking work is declining and stands at 4.7 percent — down from a high of 11.1 percent five years ago.

Just days ago the research vessel the "Roger Revelle" returned to its homeport of San Diego after six years of hosting scientific research spanning the globe. Science teams studied everything from meteorology to geology to climate change.