Find the area of the shaded figure
[363] Find the area of the shaded figure - Express result to the accuracy of 3 decimal. - #brainteasers #math - Correct Answers: 74 - The first user who solved this task is Djordje Timotijevic
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Find the area of the shaded figure

Express result to the accuracy of 3 decimal.
Correct answers: 74
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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Dangerous food

A dietitian was once addressing a large audience in Chicago. "The material we put into our stomachs is enough to have killed most of us sitting here, years ago. Red meat is awful. Soft drinks erode your stomach lining. Chinese food is loaded with MSG, and none of us realizes the long-term harm caused by the germs in our drinking water."

"But there is one thing that is the most dangerous of all and we all have, or will, eat it. Can anyone here tell me what food it is that causes the most grief and suffering for years after eating it?"

A 75-year-old man in the front row stood up and said,

"Wedding cake."

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Cryosurgery

In 1960, Dr Irving Cooper received a Christmas gift that inspired his invention of the first cryosurgery device (to freeze tissue). The gift was a wine-bottle opener which lifted the cork by injecting carbon dioxide gas into the bottle. He observed the gas was very cold when released and he could direct small squirts from it to freeze tiny areas on the palm of his hand and watch them thaw. He also observed the freezing effect was very localized and isolated from the surrounding tissue. From this inspiration, he developed a technique of brain surgery in which he used liquid nitrogen flowing in a thin tube first to deaden, and then freeze, tremor-causing brain cells or tumours. The invention created a new field of surgery with applications for other areas of the body as well.
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