| Formerly a medicine-cabinet staple, these mercury thermometers have lately been ruled a public health hazard. |
| Their weather station houses barometers, thermometers, a wind vane, and a rain gauge. |
| Digital thermometers and alcohol-filled glass models are just as accurate as mercury ones, and many hospitals are already making the switch. |
| Microclimates can greatly upset thermometric readings of nonstationary thermometers. |
| It's used in thermometers, batteries and dental fillings and is emitted from power plants and other industrial activity. |
| Some states have banned the use of mercury thermometers as a first step toward phasing out the use of this toxic metal altogether. |
