Lesia's mother, Stephany, is used to coming over for a visit on Sundays. But one Sunday, Stephany doesn't show up.

It's a few days after her mother's death, and Terri is at the checkout line in a grocery store. As she turns to leave, the bagger stops her, and asks a question.  

We love to hear from you. Record a message about your own unsung hero and send it to ideas@hiddenbrain.org, with the subject line “Unsung Hero.” Find recording tips and what we're looking for here. 

In 2008, while driving to work, Rick crashes into a slab of granite rock. He's hanging upside down in his seatbelt when he sees an old Ford truck pull over across the road.

Tell us your own story of an unsung hero — go here to find out what we're looking for, and then send your recording to ideas@hiddenbrain.org, with the subject line “Unsung Hero.”

A stranger notices Jackie at a conference, and realizes something is wrong.

If you have your own story of an unsung hero, we want to hear about it. Go here to find out what we're looking for, and how to record.

Each week, we share a story about a moment when one person helped another in a time of need. And we show you how these acts of heroism — some big, some small — transformed someone’s life.