Why screen time can disrupt sleep

For most, the time spent staring at screens — on computers, phones, iPads — constitutes many hours and can often disrupt sleep. Now, Salk Institute researchers have pinpointed how certain cells in the eye process ambient light and reset our internal clocks, the daily cycles of physiological processes known as the circadian rhythm. When these cells are exposed to artificial light late into the night, our internal clocks can get confused, resulting in a host of health issues. Continue reading “Why screen time can disrupt sleep”

John Philoponus: a philosopher and scientist of the 6th century AD – Newton’s first law formulated 1,000 years earlier?

John Philoponus, a Christian philosopher, scientist, and theologian who lived approximately from 490 to 570 CE, is also known as John the Grammarian or John of Alexandria. The epithet ‘Philoponus’ means literally ‘Lover of toil’. Continue reading “John Philoponus: a philosopher and scientist of the 6th century AD – Newton’s first law formulated 1,000 years earlier?”

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