The cookies on the site allow me to track the pages that you are using and help me understand the parts of the site that you find most useful.
The local storage is a data store on your device that keeps a record of the questions that you got right or wrong. ReviseScience does not have access to this - it is personal to you (and anyone you share your device with).
You can click the button below to clear this local storage - but you will lose all records of questions that you have got right or wrong.
Accessing the website on different devices will have different local storage settings and therefore you will not be able to follow the questions you got right or wrong if you use more than one devce to access this site.