An oil spill in Ontario has released a hazardous material into the St. Clair River, prompting emergency warnings.

Stay up-to-date with the latest and best audio content from CBC Listen delivered to your inbox every two weeks.

A Dalhousie research team led by Suresh Neethirajan has developed an app to decipher complex chicken chatter and interpret the meaning of their clucks, squawks and trills. A convoy of dozens of ...