Laura Roman

What opportunities are there for a coal-mining community after its main industry has waned?

In Somerset County in southwestern Pennsylvania, that's not an easy question to answer. For this county of roughly 76,000 residents, renewable energy and health care offer hopes for its future. But first it has to attract qualified workers.

When Yomi Wrong was born in 1972, doctors told her mother, Sarah Churchill, the newborn may die during the night.

Yomi was born with a rare genetic disorder called osteogenesis imperfecta, which causes bones to break under the slightest pressure.

"Your skull was fractured; your arms, your ribs," Sarah explained to her daughter at StoryCorps in San Francisco, Calif. Doctors told Sarah the best thing to do was to leave Yomi in the hospital because she probably wouldn't survive.

Well, he did it — sort of.

In April, Carter Wilkerson set out on a mission to get free chicken nuggets for a year. What he may not have known was that his inquiry would become the most retweeted tweet of all time.

It was his fondness for nuggets that inspired Wilkerson to ask Wendy's how many retweets he needed to get free chicken nuggets for a year. Wendy's, playing along, set the bar high: 18 million.

Challenge accepted.