Your parents were right: Scratching an itchy rash really does make it worse. Now we know why, thanks to new research that uncovers how scratching aggravates inflammation and swelling in a mouse model of a type of eczema called allergic contact dermatitis.
Read more …Why you shouldn't scratch an itchy rash: New study explains
Scientists have discovered a feedback loop in the brain's odor center that seems to put smells and sounds into context. The feedback loop may help animals adjust their behaviors in response to new sensations.
Read more …A hearing aid for... your nose?