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...energy levels and general sense of well-being. [Testosterone [Image: Linden Tea under CC-BY-NC-ND licence]] Testosterone in a bottle. The testosterone molecule’s structure is C19H28O2. It’s a member of the steroid compounds, of which the cholesterol molecule is also a member. In fact, the testosterone molecule is a shortened version of the cholesterol molecule...

...solar insolation than the southern hemisphere. As a result the northern hemisphere landmass heats up and the warm air rises creating a low pressure. In contrast, the ocean waters are slow to warm and thereby air above the ocean is cooler, moist and dense creating a high pressure. [The specific heat of water is greater than dry land, therefore water absorbs and emits heat...

...energy needed for a single city the size of Bangkok for each 1°C increase of average ambient temperature can be as much as 2,000 MW, which is more than the output of a major power plant. The rising demand for cooling also contributes to warming the world. Air conditioners not only pump heat out directly, the electricity required is typically produced by burning fossil...