What can go up and come down...
[5327] What can go up and come down... - What can go up and come down without moving? - #brainteasers #riddles - Correct Answers: 32 - The first user who solved this task is Djordje Timotijevic
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What can go up and come down...

What can go up and come down without moving?
Correct answers: 32
The first user who solved this task is Djordje Timotijevic.
#brainteasers #riddles
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They were looking down into th...

They were looking down into the depths of the Grand Canyon. "Do you know," asked the guide, "that it took millions and millions of years for this great abyss to be carved out?"
"Well, I'll be darned," exclaimed the traveler. "I never knew this was a government job."
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DNA double helix

In 1953, the journal Nature published a paper with this date from Francis Crick and James Watson, titled Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid, in which they described a double helix structure for DNA. The diagram published with the caper was captioned, "The figure is purely diagrammatic. The two ribbons symbolize the phosphate-sugar chains, and the horizontal rods the pairs of bases holding the chains together. The vertical line marks the fibre axis."[Image: diagram as published in Nature paper.]
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