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Galileo Time and Chronobiology

Galileo Time and Chronobiology

He discovered that what most affected a pendulum’s motion was the length of its string—and that for any given length of string a pendulum always took the same amount of time to make one full swing. That periodicity, he concluded, made pendulums ideal timekeepers. Galileo’s insight led to the invention of pendulum clocks a few decades later. And pendulum clocks, in turn, produced something that we don’t realize is a relatively new concept: “the time.” Imagine life without even a…

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Hunger

Hunger

Photo by Tristan Colangelo on Unsplash What is hunger Hunger is, different from what many of us could imagine, partly a learned phenomena. Think for example of how many of us don’t feel hungry the moment we wake up, and how this changes once we start seeing cues that remind us of breakfast. Or how even though  not much time has passed since our last meal, we start feeling »hungry» as lunchtime  and dinnertime arrive. It isn’t only because too…

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