BRAIN TEASERS
Other (page 90)

Other (page 90)

Other tasks. These are the tasks listed 891 to 900.
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Always old, sometimes new. Nev...

Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls. What am I?
Correct answers: 94
The first user who solved this task is Eric Newton.
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What has four legs and a back,...

What has four legs and a back, but can't walk?
Correct answers: 126
The first user who solved this task is Djordje Timotijevic.
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Who is the mysterious...

Who is the mysterious person in the picture?
Correct answers: 32
The first user who solved this task is Sanja Šabović.
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What Did You Learn?

Susie came home from her first day at school.

Her mother said, "Well, Honey, what did you learn today?"

"Not enough, I guess....They want me to come back again tomorrow."

Jokes of the day - Daily updated jokes. New jokes every day.
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What has wings, can fly but is...

What has wings, can fly but is not living?
Correct answers: 93
The first user who solved this task is Djordje Timotijevic.
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What do you have to give befor...

What do you have to give before you can keep it?
Correct answers: 69
The first user who solved this task is Sanja Šabović.
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What has rivers but no water, ...

What has rivers but no water, forests but no trees, and cities but no people?
Correct answers: 139
The first user who solved this task is Sanja Šabović.
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Who is the mysterious person behind the glass?

Who is the mysterious person behind the glass?
Correct answers: 59
The first user who solved this task is Eric Newton.
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Decrypt the map

PUZZLE: Decrypt the map!
Correct answers: 10
The first user who solved this task is Sanja Šabović.
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Which three letters are missing?

Author: Price Valiant (Serbia)
Correct answers: 41
The first user who solved this task is Sanja Šabović.
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What is the father doing now?

The mother is 21 years older than the son, and in 6 years time she will be 5 times as old as the son. What is the father doing now?
Correct answers: 18
The first user who solved this task is Sanja Šabović.
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#brainteasers #riddles
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Taxol

In 1991, a patent was issued for the "Production of taxol or taxol-like compounds in cell culture" (No. 5,019,504). This miracle drug was an important break-through in cancer treatment. However, it only existed naturally in the bark of the Pacific Yew, Taxus Brevifolia, found solely in the Pacific Northwest, where the number of trees is limited. Further, a vast number of trees must be felled in order to collect the large amount of bark necessary for commercial drug production. Thus, clinical trials were limited by an extremely small supply of taxol. Alternatives, such as extracting taxol from yew needles, or to produce taxol synthetically, are source in the following years. Inventors Christen, Gibson and Bland assigned the patent the U.S. Dept of Agriculture.
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