Iron Man Wallpapers News

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How it works

teeth and venom

A fearsome part of every snake is its teeth. Here’s the lowdown on those serpentine pearly whites… ... read more

forging the blade

How to make the perfect killing machine. ... read more

how to make a soap powered boat

Propel a paper boat using nothing more than washing-up liquid! ... read more

how does a calculator work

Calculators translate numbers into binary code to come up with an answer. ... read more

the life cycle

The stages of human life are often described as a life cycle. For each individual, however, life is a straight line. Like a story, it has a beginning, middle, and an end. The earliest stage of life is a single cell. The cell divides and, with instructions from genes, forms different tissues. These tis... read more