This is the Guardian.

In Norway, a woman's boyfriend forgets who she is overnight.

In Detroit, a man is arrested, but he was never at the crime scene. In Spain

disturbing pictures of young girls have appeared and no one knows who's behind

them. Something strange is happening, a collision between people and

artificial intelligence. Discover more in the Guardian's new series Black Box.

Listen wherever you get your podcasts. New episodes, Monday and Thursdays.

You will have heard the cliches. The classic one would be that the first born ones are

dutiful, they would show up early, they would do like all the hard work

and the later borns are usually thought of as more creative.

Perhaps the stereotypical dynamics play out in your own family.

Your brother, caught in the middle, is a total people pleaser.

Your older sister, lumped with looking after the younger ones,

is way more conscientious and organized,

and the baby, having been pushed around

by the older siblings, has developed a good sense of

humour. I usually get the impression that most people feel like they got the short end

of the stick so I think it's a bit of like sense making but also making

up maybe for perceived past injustices. It certainly feels right doesn't it?

But what does the science say? Does birth order really determine our

personalities? Are firstborn serious and driven while the last are easy-going

attention seekers.

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