Bobak Ferdowsi and his colleagues on the Curiosity project answered Reddit's questions about landing something on Mars. Also this week: The founder of image-sharing site Imgur and Brent "Data" Spiner.
The Frogman, real name Benjamin Grelle, wants Imgur site to add an atttribution system that would give credit—and traffic—to creators like him.
Plus: Imgur's founder answers your questions, find out what subreddit's the most talkative, and an amazing piece of Google Maps detective work.
Links to Reddit's favorite image-sharing service were accidentally banned from Facebook, and one engineer came forward to take the blame.
In today's digest, Reddit copes with The Dark Knight Rises spoilers, we learn how time works in Harry Potter, and a Facebook engineer shows up for a mea culpa cameo.
Pepsi Co. has overcome its scumbag ways and is now paying Blake Boston for using his likeness in an ad.