Security & Emergencies
Sinking in quicksand – Is it really as deadly a threat, as shown in the old b&w movies?
If you put your batteries in the fridge, will they last longer?
Can very small droplets, i.e. micro-droplets or aerosols, stay suspended in the air for hours and slowly fill a closed area with viruses?
Is going by air, with a commercial airliner, the safest way to travel?
Can one single computer-virus cause damages for almost 40 billion dollars?
