This is Scientific Americans, Science Quickly.

I'm Karen Hopkins.

What's the scariest sound you can think of?

Is it?

Or maybe?

Well, if you're a mammal in the African savannah, it may well be this.

Women's World Cup to be held in England and Wales from the 24th of June to the 23rd of July.

A new study shows that animals from impolars to elephants are more likely to flee from

a talking human.

My dad was a teacher, so I grew up in a home that anything I knew was sports.

Then from a snarling lion.

The work appears in the journal, Current Biology.

We've been working in the ecology of fear for a couple of decades now.

Leanna Zenette is a professor of biology at Western University in Ontario.

She says that fear is an overlooked aspect of predator-pray interactions.

When we think about how predators can affect prey populations, we think about killing,

right?

The lion goes in, it kills the zebra, that's one less zebra in the population.

But even if a predator doesn't kill you, it can still scare the pants off you.

Which then affects your behavior.

You hear a predator around you take off.

Even if you're a professor of biology.

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