Animals
| The most poisonous frog:
The poison dart frog has the most powerful venom in its skin. The body produces it when it consumes fire ants. In captivity, without the ants in their diet, the dart frog doesn't produce the venom. Now, for a fact I know you can touch them without consequences except if you have a small wound or if you forget you touched the frog, and touch your lips, you will drop dead. This I have learned spending 3 years in the military operation in central and south America in the 80's.
Thank you sir.
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| Animals
| What are omnivores?:
Omnivore is a word which refers to all organisms that are capable to eat both meat/flesh and vegetable. Examples of this are humans and domesticated animals (even though they are considered as carnivores, they become omnivore because they are being domesticated). There are also a number of wild animals that have developed diets as omnivores to deal with the different food availability in each season. For example bears will eat fish and berries, fruit, grasses etc
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Linguistics
| Karaoke:
Karoke means “empty orchestra” in Japanese.
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| Inventions
| QWERTY:
The QWERTY keyboard layout (called that way because these are the first letters of the second row of the keyboard) was invented in the 1870s by Christopher Sholes. The story says that Sholes arranged the keys to be as hard as possible for writing since the keys got stuck with each other when writing rapidly. Other people think that the layout is almost perfect since the most used letters are all in one row and you shouldn't move your fingers much to type them.
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Linguistics
| Meter:
The word "meter" comes from the Greek "metron" which literally means "a measure" and is one of the basic measures in the metric system. The length of the meter was constructed to be one ten-millionth of the distance between the equator and the North Pole.
 This is a national measure for a meter
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| Animals
| Kiwi Bird:
The Kiwi bird lays the biggest eggs relative to its size - a quarter of its body size.
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World
| Korean age system:
The aging system in Korea differs from Western/European in two ways - first, when a baby is born in Korea it's 1 year old, not 0. Second, everyone gets one year older at the same time - on Lunar New Year ( which differs every year ).
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| Linguistics
| Seoul:
Seoul (the capital of South Korea) originates from the Korean word Seorabeol which literally means "capital city".
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Linguistics
| Discrimination:
In Latin "left" is "sinister" and "right" is "dexter", so "ambidextrous" actually means "both right".
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| Animals
| Macaw:
Macaws have no external genitals - the only way to understand their sex is trough DNA test(the other one is surgery perhaps).
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