Add Yahoo as a preferred source to see more of our stories on Google. When a fire breaks out, every second counts – and for firefighters, stepping into a burning building can mean facing intense heat, ...

When a fire breaks out, every second counts – and for firefighters, stepping into a burning building can mean facing intense heat, smoke and the unknown. But a group of university students and recent ...

When firefighters arrive at a major blaze, they often face the same problem. They have to walk into danger without knowing exactly what is inside. Smoke hides everything. Floors may be unstable. Toxic ...