I am worthless, yet when add...
[3320] I am worthless, yet when add... - I am worthless, yet when added to others I add worth. I confounded the ancient Greeks, yet I changed men's understanding. What am I? - #brainteasers #riddles - Correct Answers: 65 - The first user who solved this task is Allen Wager
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I am worthless, yet when add...

I am worthless, yet when added to others I add worth. I confounded the ancient Greeks, yet I changed men's understanding. What am I?
Correct answers: 65
The first user who solved this task is Allen Wager.
#brainteasers #riddles
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International Day for Monuments and Sites/World Heritage Day jokes

Today is International Day for Monuments and Sites (World Heritage Day)! Find a joke about it!

Why the great pyramids are in Egypt?
Because they were too heavy to carry of to the British museum.

Why was Cleopatra angry?
She was on her pyramid.

I was offered a job building Egyptian tombs
Turned out to be a pyramid scheme

I'm surprised the tower of Pisa hasn't fallen over during the pandemic
Without all those tourists helping hold it up.

Two Americans are visiting Rome Colosseum
"Look at it. How huge and majestic it is."
"Just imagine how great it'll be when they finish building it."

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Friedrich Adolf Paneth

Born 31 Aug 1887; died 17 Sep 1958 at age 71. Austrian chemist who improved methods in the 1920's to isolate and measure the minute amounts of helium (as little as 10-10 cm3) slowly released by traces of radioactive elements in rocks. This enabled determination of both the age of rocks on earth, and also the age of meteorites which implies the age of the solar system, (presently accepted as 4,600 million years). Earlier, he and his friend Georg Charles de Hevesy introduced radioactive tracer techniques (1912-13). Paneth used radium D as a tracer to measure the solubility of lead salts, then extended the technique to the study of the unstable hydrides of lead and bismuth. He contributed to the study of the stratosphere by determining its composition as a function of altitude up to 45 miles.«
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