Alberta's oil sands industry contaminates local air and water.
Understanding viral links to cancer aids prevention and treatment.
Scientists are finding biological influences on obesity.
Genetic sequencing is revealing the secret haunts of shark fin hunters.
A picturesque Guatemalan lake is now struggling with cyanobacteria blooms.
Why are the Congo's fish evolving so quickly?
If climate change increases El Niño cycles, some primates may sink further into decline.
Even isolated colonies of Pacific albatrosses can eat a stomach-full of plastic trash.
People with Williams Syndrome are fearlessly, impulsively social. Brain scans are revealing why.
When ocean waters heat up, outbreaks of coral bleaching and disease can follow.