This is the Guardian.

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

In Detroit, a man is 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. All episodes out now.

Over the past few days there have been urgent storm warnings issued across the globe.

Except these aren't your average kind of storms.

Right now the Earth is on a geomagnetic storm watch through the end of the day.

Space weather forecaster say an outburst of plasma from a solar flare could interfere

with radio transmissions on Earth. interfere with light shows or what we in the UK would call the Northern Lights.

Aurora are caused by streams of particles colliding with Earth's atmosphere.

Electrically charged particles are caught in the Earth's magnetic field

and directed towards the north and south poles.

As the particles crash into the atmosphere,

they hit atmospheric atoms, causing them the particles

causing them to heat and glow. And depending on what kind of atom it is,

oxygen or nitrogen say they'll shine in different colours.

And this glow is what is known as the aurora,

or these beautiful dancing lights

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