Can Birds Recognize Faces?
Season 44
Episode 20
About the Episode
Researchers caught, tagged, and released crows to see if they can recognize the face of a person who’s a threat. They discovered the crows were warning each other that the person in the mask was dangerous — even generations after it the initial capture.
Aired:
| Expires: | Runtime: 1m 57s
Recent Episodes
-
Episode 11, Season 52<br> Ultimate Crash Test: Impact
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.| 53:27 -
Episode 10, Season 52<br> Ultimate Crash Test: Countdown
A first-of-its-kind experiment aims to stage a multi-vehicle pileup to gain new data on car safety.| 53:29
Extras
-
-
Critical Condition: Health in Black America Preview
After centuries of pseudoscience, researchers examine the causes of racial health disparities.0:30 -
How Deadly Was the Musket?
A team of experts put an 18th-century musket to the test — revealing how deadly it really was.4:57 -
-
These Smart Glasses Know Who You Are, and Much More
Two students created glasses that can identify people on the street, without them knowing.4:18 -
Why Just Planting Trees Won’t Save the Planet
Could restoring lost forests help slow climate change?3:04 -
Ultimate Crash Test: Impact Preview
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.0:30 -
When Machines Prescribe
Investigate medical algorithms in which the patient’s race drives decisions.17:19 -
-
Ultimate Crash Test: Countdown Preview
A first-of-its-kind experiment aims to stage a multi-vehicle pileup to gain new data on car safety.0:30
