Hey, it's Adam Grant from Worklife, a podcast from TED.

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The Economist. Hello and welcome to the intelligence from The Economist. I'm Jason Palmer.

And I'm Rosie Bloor.

Every weekday, we provide a fresh perspective on the events shaping your world.

Every labor-saving technology brings an argument that farming out tasks to tech makes humans weaker in some way.

When's the last time you did long division?

We look at the evidence that artificial intelligence may, in the long run, make us more stupider.

And there's been a proliferation of adverts for testosterone jabs that make you look, feel and be more manly.

Or so they say, but how much testosterone do men really need?

And what happens if you take too much?

But first... Perhaps hundreds of Palestinians in Gaza City crowd around a fence.

It surrounds aid workers who are doling out steaming liquid as fast as they can.

To call this chaos, this wall of hungry people, each with an empty pot thrust through the fence,

...