Browse Subject Areas

Click through the PLOS taxonomy to find articles in your field.

For more information about PLOS Subject Areas, click here.

Download Citation

Article Source: Laughing Rats Are Optimistic
Rygula R, Pluta H, Popik P (2012) Laughing Rats Are Optimistic. PLOS ONE 7(12): e51959.

Download the article citation in the following formats: