It's National Go Fishing Day, though the fish in today’s story aren’t exactly the ones you’d expect to catch. They’re robotic fish called Charlie and Charlene, and they were developed by the Central Intelligence Agency. Plus: tomorrow is National Surfing Day, and one place you might mark the occasion is the Santa Cruz Surfing Museum in California.
Kryptos is a puzzle sculpture that’s been on the grounds of CIA headquarters in Langley, Virginia since 1990. Three of its four coded messages have been solved - and now we have a clue that might reveal the fourth. Plus: the story of the J.W. Westcott II, the only ship that has its own ZIP code.