Bipolar disorder may sound like a new illness, but it is not. It used to be called manic-depressive disorder and it has been around for hundreds of years. Individuals experience ...

A refrigerator (often called a "fridge" for short) is a cooling appliance comprising a thermally insulated compartment and a heat pump—chemical or mechanical means—to transfer heat from it ...

Opium (poppy tears, lachryma papaveris) is the dried latex obtained from opium poppies (Papaver somniferum). Opium contains up to 12% morphine, an opiate alkaloid, which is most frequently processed chemically ...

Humour or humor (see spelling differences) is the tendency of particular cognitive experiences to provoke laughter and provide amusement. The term derives from the humoral medicine of the ancient Greeks ...