Reporting in Current Biology today (January 17), Veera Tuovinen of the University of Alberta and her colleagues describe wolf lichens (Letharia) that are made up of an alga along with three types of ...

If you’ve been suffering from purple-looking rashes accompanied by very bad itching, please visit a dermatologist. You could be suffering from what is called Lichen planus. Lichen Planus is a ...