A Moment of Science

Posts tagged antiseptic

November 29, 2011

 

Rubbing alcohol

Why Does Rubbing Alcohol Make A Good Antiseptic?

Oddly enough, a solution of 70% alcohol, that is, rubbing alcohol, is a more effective antiseptic than 100% alcohol. Another case of where more is not better.

February 26, 2008

 

Peroxide Bubbles on Fingers

First-aid Bubbles

Pour a little hydrogen peroxide on a cut or scrape and an instant foam of tiny bubbles appears. But where do the bubbles come from, and do they really help?

Stay Connected

What is RSS? RSS makes it possible to subscribe to a website's updates instead of visiting it by delivering new posts to your RSS reader automatically. Choose to receive some or all of the updates from A Moment of Science:

Support for Indiana Public Media Comes From

About A Moment of Science

Search A Moment of Science