Twas the night before Christmas when all through our home, friends were waiting for drinks at the party we'd thrown.

With an espresso martini mixer from Fever Tree, all you need to add is the vodka, you see.

Five espresso martinis ready in a second. A Christmas miracle, everybody reckoned.

So this holiday season mix with the best,

with fever tree cocktails for you and your guests. Please enjoy responsibly.

Speaking of psychology is taking a summer break, so we're rerunning some of our favorite episodes from the past. Back in 2021,

I talked to psychologist Joe Degutus and journalist Sadie Dingfelder, author of a new book

about what it's like to be faceblind, about what scientists are learning about prosopagnosia

or face blindness. We hope you enjoyed this episode from the archives.

Speaking of psychology, we'll be back with new episodes in late August. Thank you for listening.

Imagine living in a world where everyone looks vaguely familiar, but you never know for certain exactly who anyone is.

Your old classmates, your

coworkers, your friends, and even your family members, all can appear at first

glance to be friendly strangers who seem to know you. That's what life is like for

people with prosopagnosia or face blindness. Historically, the disorder was

thought to be rare, but more recent research

suggests it may affect as many as one in 50 people. Last year, Sadie Dingfelder found out she was one of them.

Sadie is a former colleague of mine. She used to be an editor at APA's magazine, and I later hired her to be

editor of our website. After a lifetime

of thinking that there was something just a little bit different about her brain, Sadie took

part in a study at Harvard Medical School that finally gave her some clarity about her condition.

She wrote about the experience for the Washington Post magazine. So what is it like to have prosopagnosia?

...