Abstract: Coverless image steganography conceals information without modifying the carrier image, addressing vulnerabilities in traditional methods. However, existing approaches often require ...

Add Yahoo as a preferred source to see more of our stories on Google. The team used their new printing method to encode a photo of the Mona Lisa onto their "smart skin" material (left). The photo, ...

The team used their new printing method to encode a photo of the Mona Lisa onto their smart skin material (left). The photo, which can initially appear hidden in the material, can be revealed by ...

For centuries, nature has quietly outperformed human engineering. Octopuses and cuttlefish can vanish against coral, ripple their skin into spines, or flash patterns to communicate—sometimes all at ...

Inspired by the shape-shifting skin of octopuses, Penn State researchers developed a smart hydrogel that can change appearance, texture, and shape on command. The material is programmed using a ...

You’ve held it, spent it, and probably never looked twice — but your money is hiding secrets. From tiny symbols to hidden faces and overlooked artwork, U.S. and Canadian currency is full of hidden ...

A new campaign dubbed 'GhostPoster' is hiding JavaScript code in the image logo of malicious Firefox extensions with more than 50,000 downloads, to monitor browser activity and plant a backdoor. The ...

Whether it's stress from financial issues, handling a loss, or even dealing with the change in seasons, when people are experiencing sadness, it's like their entire lives are upended. While it may be ...

A deepfake image of President Donald Trump that received millions of views on social media is the latest large-scale example of how generative artificial intelligence can be used to create falsehoods ...

Tides have changed with the Gemini 3 update, bringing Nano Banana Pro image generation to a wider range of users. The images are so realistic that Google provides an extension that detects images with ...