This article has been updated to include information about the number of asbestos structure found and comments from Sean Fitzgerald.

Caleb Woodall deposits asbestos samples into a Ziplock bag ... which hold magnesium and calcium in a tight chemical structure, making them less reactive than other types of mine waste.

These fibres do not dissolve in water or evaporate, are resistant to heat, fire, chemical ... Getty Images) Asbestos can be ...

People who are exposed to asbestos can develop lung cancer, mesothelioma, ovarian cancer and laryngeal cancer, studies show. Calling it a "major milestone" for chemical safety "after more than ...