The oldest alarm clock ever is the sun, but antiques dealers and clock historians keep saying that the sun “doesn’t count”.  Apparently this is because you can’t put the sun under any kind of value guide.  But alarm clocks have existed long before the idea of buying and selling antiques.  Here is a look at [...]

Why do we get tired around the same time each night and hungry around the same times each day?  This is because of our internal body clock, known as the circadian rhythm.  It’s sort of like a maintenance program the computer of our bodies, letting us regularly eat and sleep.  When this internal alarm clock [...]