Catnip is the most famous stimulant for cats. How does it work, why does it not affect all cats, and are there any catnip alternatives? We investigate.
Ethmoid sinusitis is an inflammation of the ethmoid sinuses, which sit between the eyes. This article provides an overview of the condition.
New research in macaques finds that changing the delivery method of an existing tuberculosis vaccine can drastically improve its efficacy.