We're watching the new movie Twisters and asking is it

scientifically sound? You thought you could destroy a tornado. We never had a chance.

You want one?

It's Friday July 19th,

also known as my favorite day of the week, Science Friday. I'm Sci-Fi producer Shoshana Bucksbaum. In a bit, we'll decode the science behind the summer thriller Twisters with a meteorologist, we'll walk you through the basics of tornado science

with a real life storm chaser.

But first, here's guest host Rachel Feltman

with the top science stories of the week.

Friday morning dawned with computer glitches around the world,

affecting scores of industries.

Here to explain that, and with other stories from the week in science is Science Friday's senior

producer Charles Berquist. Hi Charles, hey Rachel. How's it going? For me it's

okay but it's been a messy morning for a lot of people.

It has, it has. Why don't you tell us more?

Yeah, so it's been a morning of blue screen computers, not a great day if you needed to go to the airport or visit the bank or do a lot of other things.

On a more serious note, this has affected 911 services in a bunch of states,

and some medical centers are reporting problems too.

So do we know what actually happened? Yeah, this appears to be an

outage affecting some business computers that are running Microsoft Windows,

but it's caused by a faulty software update pushed by the global security

company Crowd Strike. Crowd Strike says it doesn't appear

to be the result of like a cyber attack or anything, rather just a bad patch that has caused

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