Understanding the human body is a team effort. That's where the Yachtel group comes in.

Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years.

Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program.

To learn more about Yachtolt, visit yawcult.co.

.jp. That's Y-A-K-U-L-T.C-O.jp. When it comes to a guide for your gut, count on Yacolt.

This is Scientific American's 60-second science. I'm Christopher Entaliata. Got a minute?

Today's cars have loads of computer smarts built in, like the chips that allow you,

with a push of a button, to unlock your car.

And as new cars move down the assembly line, automakers program those functions into the car.

They produce one car, and they program a cryptographic secret in it in order to secure

it against thieves.

Timo Casper, a cryptographer and engineer at the security and IT consulting firm, Casper and

Oswald.

And then comes the next car on the production line and they put the same secrets into the second car.

And then comes a third car onto the production line and they again put the same secrets into the second car. And then comes a third car onto the production line.

And they again put the same secrets into this car.

And they repeat this process for millions of cars in the world.

And now millions of cars in the world share the same cryptographic secret.

Of course, this secret is not so well protected anymore because it is in every of

these one million cars and in every remote control. And this is, of course, a typical example of

how to not do it. And yet, he says that's exactly how the Volkswagen Group did do it for many cars

manufactured in the last 20 years. Casper and his colleagues decoded that shared cryptographic secret by studying the design

...