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The letters the world sent Neil Armstrong

Neil Armstrong spent much of his life after the moon landing shunning attention. If people had to praise, he encouraged them to appreciate all of his work, not just the historic landing. But his one small step affected people around the world in profound ways, and tens of thousands of people felt compelled to write him personal letters. The contents of those letters -- and Armstrong's responses -- are a fascinating piece of American history. Jeff Glor reports.

How Houston became "Space City"

If New York is the “Big Apple” and New Orleans the “Big Easy,” Houston is known as "Space City." That all began almost six decades ago, when NASA decided to open the manned spacecraft center there and put Houston on the map. Michelle Miller reports.

The Dish: Chef Steve McHugh

At Chef Steve McHugh’s San Antonio restaurant Cured, diners are greeted by a massive humidity-controlled meat locker known as the "Charc Tank." The charcuterie inside serves as McHugh's signature dish. Since opening in 2013, Cured has been a James Beard Award finalist four times, including the past three years. Michelle Miller reports.

Tens of millions facing record-setting temps

Washington D.C. joined dozens of cities in declaring a weather-related emergency ahead of record-breaking temperatures expected throughout the weekend. Cities in the Midwest are also preparing for extreme heat, but the East Coast is expected to take the brunt of it. Temperatures will range from the mid-90s to triple digits, with the heat index making it feel upwards of 115 degrees. Natalie Brand reports.

Memorable moments from the Apollo 11 mission

From the fiery blast of a Saturn rocket to those first steps on the lunar surface, images from America's space program are etched in the nation’s collective memory. But along with those sights, there are the sounds: the words that also tell the remarkable story of human achievement. With insight from historian Douglas Brinkley and CBS News space analyst Bill Harwood, “CBS This Morning Saturday” reflects on some of the mission's most memorable moments.