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Why Does Wood Have Knots?

Recently, I was reading the famous novel To Kill A Mockingbird by the late author Harper Lee; in that book is a memorable reference to a knothole in a tree. In the book, the brother-sister duo of Jem and Scout discover a few items…

How Are Black And White Films Colorized?

The inception of filmmaking finally saw the promulgation of ideas in a visually. This relieved us of the strenuous task of conjuring the imagery that reading imposed on us for ourselves. The plot could now unfold in front of our real eyes.…

How Did The Snake Lose Its Legs?

Snakes are elongated, carnivorous reptiles of the suborder Serpentes. Their most distinctive feature is their lack of appendages. Snakes are legless, so they move by slithering ahead, dragging and pulling their bodies across the ground.…

What Is Ultimate Tensile Strength?

Ultimate tensile strength or simply, tensile strength, is the measure of the maximum stress that an object/material/structure can withstand without being elongated, stretched or pulled. Ultimate tensile strength Tensile properties of a…

Do Bees Sleep?

Comparing an organization to a beehive is a common platitude. The metaphor finds its origins in our perception of bees. Bees are known to be tenacious workers who toil relentlessly, whether collecting nectar, building a new hive,…

Do Penguins Have Knees?

Other than their black-and-white fur that uncannily resembles a tuxedo, what is the one characteristic that we typically associate with a penguin? Their gait, of course! If you were to board a ship and set off on a trip to visit the deep…

Why Do We Swear?

An estimate reveals that people indulge in profanity 0.3-0.7% of their speaking time. This is perceived to be a marginal amount of time, but it is quite a significant portion when we consider our overall speech. Swearing seems to be an…