"Americans now walk the least of any industrialized nation in the world," says writer Tom Vanderbilt. To find out why that is, Vanderbilt has been exploring how towns are built, how Americans view walking — and what might be done to get them moving around on their own two feet.

Talking with Morning Edition co-host Steve Inskeep about what is wrong with Americans' relationship with walking, Vanderbilt says, "The main thing is, we're just not doing enough of it."

In 2001, a German nature magazine sent a crew to observe the eruption of Mount Etna, the volcano on the eastern coast of Sicily. The report they filed began with this line: "We got as close as we could for safety to the center of the eruption, and set up our equipment and our cameras. Then a man in a silver spacesuit marched up to where we were — and kept on walking."

The 237th anniversary of Paul Revere's famous midnight ride during the Revolutionary War falls on Wednesday. But long before Henry Wadsworth Longfellow made him famous, Revere was known as an engraver and a silversmith in Boston.

Brown University announced this week that it had found a rare engraved print by Revere, one of only five in existence. The print was tucked inside an old medical book that had been donated by physician Solomon Drowne, a member of Brown University's class of 1773.

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GUY RAZ, HOST:

And if you're just joining us, you're listening to WEEKENDS on ALL THINGS CONSIDERED from NPR News. I'm Guy Raz.

In Afghanistan today, the Taliban has launched a string of attacks across the country, including coordinated strikes in the capital, Kabul, that hit near western targets and Afghan government buildings. The Taliban says today's attack marks the beginning of what they call the spring fighting season, the period after the winter thaw when mountain passes and roads become accessible again.

Mass disqualifications have thrown Egypt's upcoming elections into turmoil. In a surprise move, Egypt's election commission barred 10 of the 23 registered presidential candidates from next month's election.

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In Philadelphia, a warehouse fire this past week killed two firefighters and left neighbors angry because the building was abandoned. The city faces the same challenges as many others across the country - it has too many big old and unused buildings. From member station WHYY in Philadelphia, Elizabeth Fiedler reports on the threat posed by vacant buildings.

ELIZABETH FIEDLER, BYLINE: John Mahoney walks his dog near the site of the fire. He wasn't surprised by what happened.

Over 100 tornadoes touched down Saturday in the Great Plains, causing millions of dollars in damage across Oklahoma, Kansas, Nebraska and Iowa. Despite the wreckage, there were few fatalities, a result perhaps due in part to the National Weather Service's warnings. Russell Schneider of the Storm Prediction Center in Norman, Okla., offers his insight.

A few years ago, author, critic, and translator Daniel Mendelsohn was teaching the epic Greek poem The Odyssey when his father decided to take his class.

Jay Mendelsohn, a retired research scientist, wanted to understand his son better, and understand his life's work. When Daniel decided he wanted to retrace one of the most epic journeys of Greek literature, Jay became his travel partner.