Meet the Man Who Might Have Been the Real-Life Lone Ranger. Bass Reeves escaped slavery to become the ultimate Old West lawman.

*

A 12.5-Million-Year-Old Ape Is the Earliest Hominid With a Cavity. Scientists blame it on a sugary fruit diet.

*

A Brief History of the RV. Once the idea was planted, people craved camping in comfort.

*

The Star Trek Universe Uses a Surprising Amount of Paper. The more mundane parts of life didn't get the "what if" treatment as much as space travel and aliens.

*

Watch Snow Leopards Teach Their Cubs to Hunt. The standing leap maneuver is pretty impressive.

*

The Most Controversial Comic Strip. Walt Kelly's funny and satirical Pogo riled up newspaper editors across the country.

*

10 Incredible Skyscraper Observation Decks You Can Visit. Take advantage of the opportunity the next time you are in these cities.