Second

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Is there always another human being in you?
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Is there always another human being in you?

Once upon a time, your origins were explained very easily. Your father met your mother, they had a little fun together, and from a tiny egg fertilized, you screamed and…

December 18, 2018
The mysterious smile of her second Mona Lisa
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The mysterious smile of her second Mona Lisa

The portrait of La Bella Principessa was born before Mona Lisa, by Italian artist Leonardo da Vinci using visual illusion techniques to make the character have

December 18, 2018
How powerful is the explosion in Tianjin?
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How powerful is the explosion in Tianjin?

The Chinese Seismic Bureau (NEB) pointed out that the first explosion is equivalent to 3 tons of TNT, the second blast has the same power as 21 tons of TNT.

December 18, 2018
The Earth will have 1 second more on June 30
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The Earth will have 1 second more on June 30

On June 30, 2015, the whole world will experience a minute lasting 61 seconds. The reason for this strange event is to synchronize the time on the atomic clock with the…

December 18, 2018
Why is 'Monday' the first day of the week?
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Why is 'Monday' the first day of the week?

Two of the earliest civilizations that used the 7-day weekday calendar were Babylonians and Jews. However, the naming of the days comes from ancient Egyptian astrologers…

December 18, 2018