In Iran, people who speak out against the government can be arrested and then sent to a mental health facility.

The aim is really to say that what these people are calling for is just the hallucinations of an unwell person.

I'm Marco Werman.

And I'm Carolyn Beeler, how Iran's government uses the accusation of mental illness to crush dissent.

Also, the U.S. will now provide Ukraine with landmines that are banned in much of the world.

The bans exist for a reason.

The devastating impacts continue for a long, long time after the guns fall silence.

And why Greeks are staging a nationwide strike, a brief history of sonic weaponry and the

man who helped Americans learn to travel. Plus, decommissioned trains from the U.S. are being

put to good use in Latin America. It's not every day a ship a whole rail fleet to Peru.

All today, here on the world.

This is the world. I'm Carolyn Beeler.

And I'm Marco Werman. Thank you for joining us today.

Iranian authorities say that a young woman who was detained early this month at a university in Tehran has been released and returned to her family.

The scene leading up to her

detention grabbed attention globally when it's circulated on social media.

The video shows the young woman pacing on the campus grounds wearing just her underwear.

According to news reports, she stripped off most of her clothes after an altercation with security

forces. Women in Iran are legally required to cover their bodies and their hair in public. If they

don't, they can end up in prison. Iranian news reports said this particular woman was taken to a

psychiatric hospital. As the world's Shirin Jafari reports, Iran has a history of accusing dissenters of being

mentally unstable.

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