The periodic table, which was an attempt to organise the collection of the elements, has seen many colourful and informative versions created over the years.
Looking for gold, an alchemist in the 17th Century discovered phosphorous from a most unusual source, urine. Now, centuries later, we face a critical shortage of the element.
Nick Jonas is not trying to modernise the mangalsutra, but his gesture shows that choices can be equal. If commitment must be flaunted, it need not be gendered.
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