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Color of the sun from outer space.   DID YOU KNOW? THAT THE REAL COLOR OF THE SUN IS WHITE? Although the sun often appears yellow, and changes colours at sunrise and sunset, the color of the sun is actually white. The scattering of wavelength colors by the Earth's atmosphere changes the appearance of the Sun. The scattering of wavelength colors by the Earth's atmosphere changes the appearance of the Sun. We may not have stopped to ask ourselves what the actual color of the Sun is, we will be surprised to know that it is white. When we make use of a prism, sunlight can be broken down into all colors of the rainbow which are red , orange , yellow , green , blue , indigo and violet.  We can attribute the fact that the Sun looks yellow to us due to the Earth’s atmosphere which scatters away light in the blue, indigo and violet low wavelength region. On the other hand, the Earth’s atmosphere scatters higher wavelength colors such as yellow, orange and red wi...

DID YOU KNOW THAT YOU BLINK UP TO 28,800 times in a day? Scientists have shown that the average person blinks 15-20 times per minute. That’s up to 1,200 times per hour and a whopping 28,800 times in a day —much more often than we need to keep our eyeballs lubricated. In fact, we spend about 10 percent of our waking hours with our eyes closed . So why do we blink so much? New research from Japan’s Osaka University found that blinking may serve as a form of momentary rest for the brain, giving the mind a chance to wander and “go offline.” These brief breaks may last just a split second, or even a few seconds. When our brains aren’t concentrated on a task, brain regions known as the “default mode network” come alive, allowing our mind to switch into an idle mode—a phenomenon researchers discovered decades ago. But how does blinking affect this idle state? According to the new research, blinking and the brain at rest go hand in hand. In order to understand this phenomeno...