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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 233

The first user who solved this task is Erkain Mahajanian.

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Catches my eye

Do you know what always catches my eye?

Short people with umbrellas

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Heart transplant

In 1968, Dr. Denton Cooley of the Texas Heart Institute performed the first successful heart transplant in the United States on Everett Thomas, whose heart was damaged from rheumatic heart disease. The patient lived for 204 days with the heart donated from a 15-year-old girl. In 1969, Cooley became the first heart surgeon to implant an artificial heart in man.

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