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 Yachtold, visit yawcult.co.

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

This is Scientific American 60 Second Science. I'm Suzanne Bard.

In 2006, a 26-year-old California man named Uriah Courtney was sentenced to life in prison for kidnapping and rape,

despite having an alibi for the time the crimes were committed.

And there were two witnesses.

They saw a lineup in the police station, and they both identified the same person.

And he was convicted entirely based on those two eyewitness accounts.

Salk Institute for Biological Studies Neuroscientist Tom Albright.

He says years later, the California Innocence Project looked into the case.

And it turns out that the DNA that was found at the crime scene was not the DNA of

Durac Courtney.

After eight years behind bars, Courtney was set free, but his case is not unique.

There are now hundreds of cases in which individuals have been exonerated based on this

post-conviction DNA analysis. Most of these innocent people were sent to prison because witnesses

misidentified them. Somebody picked them out of a lineup and that information was taken seriously

by the police and the jury believed it. Why do witnesses sometimes get it so wrong?

Albright explains that our memory for visual events is notoriously flawed.

If somebody tells us that they saw something, we figure, well, it must be true.

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