Why do we call them "Piggy Banks"?

No one invented the piggy bank. The piggy banks’ origin owes more to the history of language, than to an individual inventor. In old english (around the 15th century) there was a word “pygg” which referred to a type of orange clay. People made all kinds of useful objects out of clay, including dishes and jars to hold spare change. Around the 18th century, the word “pygg” now sounded the same as the word for the animal “pig”. An unknown person(s) thought to shape a “pygg” jar, to look just like a real “pig”. Perhaps an order came in for a “pygg” jar and the potter misunderstood.

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Is there such a thing as a Second World Country

Third World countries (now known as “developing nations”) are countries with a low “Human Development Index.” First World countries (like the United States, Japan, and Germany) score much higher on the HDI. A nation’s HDI is determined by its literacy rate, poverty rate, life expectancy, etc. There is indeed a Second World, though the expression isn’t exactly parallel to the other terms, and these days, few mention it.

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Do earlobes have a purpose?

The external ear itself has the valuable function of collecting and directing sound into the inner ear. The parts of the ear you can see without a doctor’s help are called the pinna; those curvy bits conduct sound vibrations in the air down into the tympanic cavity. The shape of the pinna helps your ear and brain figure out what direction sound is coming from. But the lobule — the part hanging down — isn’t any help. In fact, some people are born lobeless because of recessive genes, and this doesn’t seem to affect their hearing.

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