Brothers Tom (left) and Ray Magliozzi pose under a car hood in Boston. The comic duo hosted NPR's Car Talk for a quarter of a century before retiring in 2012. Since then, the show has been heard in reruns. Tom has died at age 77.
After the bombs went off Monday in Boston, bystanders, police and emergency personnel rushed to help those who were caught in the blasts, as this video image shows.
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