Reporters writing for Nikkei Asia have found 17 English-language preprints—scientific studies that have yet to be peer-reviewed—published on the server arXiv with something curious literally hidden ...

MCU fans may have cracked a secret message hidden within the Avengers: Doomsday trailers. Marvel Studios’ Avengers: Doomsday is currently in post-production. Directed by Joe and Anthony Russo, also ...

Engineering requires deep attention to detail, but sometimes engineers take it a step further by adding secret, playful ...

For years, non-metal people have been accusing various metal bands of influencing their flock with hidden messages that could only be heard by playing the vinyl backwards. Overnight, this “backmasking ...

History, as we often encounter it, can seem like a collection of established facts and grand pronouncements. Yet, the most profound insights into the past often lie not just in the words on a page, ...

A Hillhouse student’s eyes widened as he applied grape juice and heat to what appeared to be a blank piece of paper — but instead held a secret message in invisible ink, written as part of a course ...