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.

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

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

Connecting your computer to the Internet gives would-be spies an obvious entry point to your machine.

But other ways exist to Snoop, because even computers that aren't connected to the Internet

broadcasts their activity in the form of electromagnetic radiation.

Basically, your computer is full of transistors,

and they're switching a current from high to low,

depending of is it a zero or a one of the bit that they're trying to execute.

Alenka Zait, an electrical engineer at Georgia Tech.

When you do that, you're creating a voltage fluctuation and current fluctuation, and that

basically creates electromagnetic field.

By hooking an antenna and receiver up to a laptop, Zich and her colleagues were able to

log the keystrokes of a computer in the next room by measuring exceedingly tiny fluctuations

in the computer's radiation.

The same technique can reveal which programs you're using too.

Every one of them has a different signature in electromagnetic field,

so I can tell which application you opened by looking into the spectrum.

The researchers quantified the signal available to eavesdroppers in a recent paper,

...