You can send secret messages on your iPhone using the Apple Notes app! Just create a note, tap Share > Collaborate, give edit access to a friend, and start chatting in real-time—no third-party app ...

Food brands spend millions making sure their logos don’t just look good, but feel right. Colors, shapes, and spacing are ...

Advancements in artificial intelligence (AI), especially large language models (LLMs) like ChatGPT and open-source counterparts, are reshaping how people communicate daily. These AI systems generate ...

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 ...

Have you ever wanted to send a secret message to a friend that no one else can read? Invisible inks can help you do that! When you use an invisible ink to write a message, it quickly disappears. The ...

A French Egyptologist says he has deciphered secret messages engraved on a 3,000-year-old Egyptian obelisk built during the reign of Ramses II.