blue

Comment se protéger contre la lumière bleue des écrans

SOS health: How to protect yourself from blue light from screens and reduce its effect?

According to DataWrapper, the average screen time per day in France is 5 hours and 34 minutes and in Canada: 6 hours and 45 minutes. For comparison, we will mention that the time recommended by scientists to keep your body in good health is 2 hours. This means that most people exceed this time, for …

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Une galaxie de l'Amas de la Vierge, Messier 99. © Adam Block, Mount Lemmon SkyCenter, University of Arizona

Hubble revealed strange blue ‘spots’ of young stars

the astrophysicists working on the puzzle black matter They are looking for dwarf galaxies that contain dark matter but are probably too faint to have escaped earlier detection. the standard cosmological model predicts the existence of a large number of these galaxies dwarf around large galaxies like Earth’s, only a cross section can be seen…” …

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