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Could Cuttlefish camouflage in a living room?


 



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It is possible to make music with electric sparks


You will need a Tesla coil. The sparks create air pressure waves (sound waves). By controlling the intensity of the sparks, you actually play some music!

 



Fordite, also known as Detroit agate
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Fordite, also known as Detroit agate


It is not really a mineral. It is made of old layers of automobile paint. In recent times the material has been recycled as eco-friendly jewelry.

 



Each year, Oslo offers a Christmas tree to the UK
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Each year, Oslo offers a Christmas tree to the UK


as a token of gratitude for its help in WWII

 



O+ is the most common blood type
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O+ is the most common blood type


 



In 400 BCE the Persians already knew how to store ice
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In 400 BCE the Persians already knew how to store ice


Including during the summer in the desert

 



Dad-jokes help non-speaking children improve their skills
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Dad-jokes help non-speaking children improve their skills


In order to help non-speaking children improve their understanding of language, Scottish scientists have developped a computer program that tells original dad-jokes

 



Male soldiers with boobs!
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Male soldiers with boobs!


By repeatedly thumping the same side of their chests with their rifles during drills, German male soldiers are growing female-like bosoms on one side! The condition is called gynecomastia and is due to the continuous stimulation of hormones.

 



Dangerous potatoes!
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Dangerous potatoes!


When potato tubers are exposed to light, they turn green and increase their production of solanine, a glycoalkaloid that causes poisonning. Symptoms include nausea, diarrhea, vomiting, stomach cramps, burning of the throat, cardiac dysrhythmia, nightmare, headache and dizziness. In more severe cases, hallucinations, loss of sensation, paralysis, fever, jaundice, dilated pupils, and hypothermia.

 



Honey is actually bee vomit. Yummy.
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Honey is actually bee vomit. Yummy.


 



It costs more to make a penny than a penny is worth
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It costs more to make a penny than a penny is worth


 



The McCollough effect is an optical effect that can affect your perception of colours for months
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The McCollough effect is an optical effect that can affect your perception of colours for months


 



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The development of a frog and a flatfish in time-lapse


 



This photograph was taken with a scanning electron microscope
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This photograph was taken with a scanning electron microscope


It shows feathers on the tail of a shrimp (230x magnification).

 



Many moths don't eat. Some don't even have a mouth!
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Many moths don’t eat. Some don’t even have a mouth!