Overall, the researchers found, breathing secondhand smoke in private social settings nearly tripled the risk of being diagnosed with sinusitis, while breathing it at work more than doubled the risk.

CNN: Sinus trouble? Secondhand smoke may be to blame

The partial injury (there are no ventilators for rats, so the researchers could not completely sever the cord without killing them) allowed only one side of the diaphragm to work and the rats had trouble breathing.

ECONOMIST: Neurology

Fire fighters used breathing apparatus to allow them to work in the smoke-filled section of the building.

BBC: Glasgow Airport