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Hello, this is 6 Minute English from BBC Learning English. I'm Neil.

And I'm Sam.

In English, there are many expressions which use an adjective to compare humans with animals.

For example, you might say she's as busy as a bee. As hungry as a horse. But you probably

won't hear someone say. She's as clever as a chimpanzee.

Which is strange because of all the animals. It's our close cousin's chimpanzees or chimps

for short, who are most like us. Just like humans, chimps are highly intelligent. They live

in social groups and just like humans, these groups have leaders.

But like humans, chimps have a desire for power. In fact, chimpanzees have their own politics,

which is surprisingly similar to human politics, as we'll be discovering in this programme.

Research shows that the reason chimpanzee behaviour so closely resembles human politics is because

biologically we are almost identical. Did you know that a chimpe is more like a human

than like a gorilla?

So Sam, my quiz question is this. Biologically, how close are chimpanzees to humans? Is it

A, 79% B, 89% or C, 99%?

Well, Neil, if chimps and humans are almost identical, I'll guess C, 99%.

...