Skin care tips that can be followed during summer Moisturize your skin Apply rich moisturizer twice or thrice daily or even apply when going out in the sun. Don’t expose to sunlight Remain indoors during noon hours. Because in the noon sun rays… Read More ›
sunlight
Why is the sky blue?
Anthony D. Del Genio of the NASA Goddard Institute for Space Studies and Columbia University explains. To understand why the sky is blue, we need to consider the nature of sunlight and how it interacts with the gas molecules that… Read More ›