For example, when cats feel scared, their ears become completely flat on their head, creating a defensive posture to protect themselves. Aggression, by contrast, involves ears flattening backward ...

Just such a project is [Radomir Dopieralski’s] set of wearable mechatronic cat ears. A cosplay accessory ... instead he’s using an accelerometer to detect head movement coupled to an Arduino ...

Pre-cancerous cells were found on his ears, so the surgery may have saved his life. Cats with white fur – particularly on their ears or noses – are often more vulnerable to sun damage ...