National Science Day: February 28, 2019

Subject: What happens when you ask why? - Developing a scientific outlook
February 28 is observed as National Science Day.
The article prompts us to be curious about many things. For example, why traffic stop signal light is red? I really don't know. Maybe, one of these days I will find out.
There's another mystery about rainbow's colours.
To know more, please open the link.
M G Warrier


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