This Arctic species can live longer than any other known animal advanced enough to have a backbone, scientists say — maybe more than 500 years. Their muscles might hold clues that could help humans.

The tiny farming town of Brookfield, Mo., isn't what it used to be. Local leaders are looking to revive it by encouraging small businesses and tempting young residents to stay in town.

Workers at American slaughterhouses and meat processing plants perform thousands of repetitive motions every day. The work often lead to invisible, yet painful and lasting injuries to their bodies.

Slaughterhouses, while safer than decades ago, are some of the country's most hazardous workplaces. They are fined by the government for safety violations, but those fines may not be big enough.

Traditional gender roles on farms are changing, but slowly. While men are typically still in charge of operations, women are beginning to take on greater leadership.

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