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Rough and gray as rock, I'm pl...

Rough and gray as rock, I'm plain as plain can be. But hidden deep inside there's great beauty in me. What am I?

Correct answers: 141

The first user who solved this task is Sanja Šabović.

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A guy's on the electric chair

A guy's on the electric chair. The warden's just about to pull the switch when the guy gets the hiccups.
The warden says, "Do you have any last requests?"
The guy says, "(hic) Yeah... (hic) could you please do (hic)... could you please do something to scare me?"

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Andrija Mohorovicic

Died 18 Dec 1936 at age 79 (born 23 Jan 1857).Croatian meteorologist and geophysicist who discovered the boundary between the Earth's crust and mantle, a boundary now named the Mohorovicic discontinuity. In 1901 he was appointed head of the complete meteorological service of Croatia and Slavonia, he gradually extended the activities of the observatory to other fields of geophysics: seismology, geomagnetism and gravitation. After the Pokuplje (Kupa Valley) earthquake of 8 Oct 1909, he analyzed the spreading of seismic waves with shallow depths through the Earth. From these, he was the first to establish, on the basis of seismic waves, a surface of velocity discontinuity separating the crust of the Earth from the mantle, now known as the Mohorovicic discontinuity.

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