FARGO — The principal of a liquid-in-glass thermometer is that the liquid inside a very narrow tube will contract and expand with temperature variation. The top of the liquid represents the ...

Mercury can be found in a variety of non-laboratory items such as fluorescent light bulbs, thermometers, older pressure gauges, plumbing traps, manometers, barometer, thermostats, capacitors, and ...

STRASBOURG (Reuters) - European Union lawmakers voted on Tuesday in favor of an EU-wide ban on mercury in thermometers in a bid to cut the risk posed by the toxic heavy metal to humans, the ecosystem ...