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.

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Thank you. The night of May 23, 2022 was an exciting one for me.

I was at my house in northern Colorado winding down for the day.

My phone buzzed.

I pulled up the alert.

It showed that a large movement of migratory birds was coming my way,

and they might just fly right over my house.

I stepped outside on that cool, calm, and cloudy night and turned my ears to the sky.

I could already hear them flying overhead.

Dozens of swings and thrushes. I rushed inside and turned on my audio recorder.

Before the sun came up the following morning, my microphone captured nearly 1,200 nocturnal flight

calls, nearly twice as many as I counted

on any other night that spring, and I was ready for it.

I'm Jacob Job, and you're listening to the final episode of a five-part fascination from

Science Quickly on the

nighttime bird surveillance network. Migratory birds are in peril. For many, that peril comes

from one very dangerous, if not so obvious, pollutant, artificial light at night. This light

disorients migratory birds, pulling them off course and putting

...