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(escucha el audio más de una vez para familiarizarte con los términos que
se introducen y explican)
We all know
what a brain is. A doctor will tell you that the brain is the organ of
the body in the head. It controls our body’s functions, movements,
sensations, emotions and thoughts.
But a brain can mean so much more.
A brain can also simply be a smart person. If a person is called brainy,
she is smart and intelligent. If a family has many children but one of
them is super smart, you could say, “She’s the brains in the family.”
And if you are the brains behind something you are responsible for
developing or organizing something. For example, Bill Gates is the
brains behind Microsoft.
A brain trust is a group of experts who give advice. Word experts say
the phrase “brain trust” became popular when Franklin D. Roosevelt first
ran for president in 1932. Several professors gave him advice on social
and political issues facing the U.S. These professors were called his "brain
trust."
These ways we use the word “brain” all make sense. But other ways we use
the word are not so easy to understand.
For example, to tease is to make fun of someone. But a brainteaser is
not one who makes fun of someone else’s brain. A brainteaser is a riddle
or puzzle that makes you think. Here is a fun brainteaser: What can go
all around the world but still stays in one corner? The answer – a stamp!
You can share that brainteaser with your friends.
To understand the next brain expression you first need to know the word
“drain.” As a verb, to drain means to remove something by letting it
flow away. So, a brain drain may sound like a disease where the brain
flows out the ears. But, brain drain is when a country’s most educated
people leave their countries to live in another. The brains are, sort of,
draining out of the country.
Next, we have a brainchild. A brainchild sounds like a really smart kid.
But it isn’t. A brainchild is an idea that one has without any help from
others. If you have a really great idea, it is your brainchild – no one
else’s.
However, if many people are responsible for a great idea, you could say
they brainstormed it. Here, brainstorm is not an act of weather. It is a
process of thinking creatively about a complex topic. For example,
business leaders may use brainstorming to create new products, and
government leaders may brainstorm to solve problems.
But if you can’t find a solution to a problem, or if you can’t even
remember what the problem is, you may have to rack your brains. This
expression means to think very hard about something.
To pick someone’s brain is quite different. For example, if you meet
someone who knows a lot about a subject you like, you may want to pick
his brain to learn more.
But do not mix these expressions up! You cannot rack someone else’s
brain or pick your own.
Now, if people are brainwashed it does not mean their brains are nice
and clean. To brainwash means to make someone accept new beliefs by
using repeated pressure in a forceful or tricky way. Keep in mind that
brainwash is never used in a positive way.
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