How Humans Could Make Icehouse Earth into a Hothouse
Season 47
Episode 1
About the Episode
Earth's climate has slowly fluctuated between cold and hot periods for millions of years. Today, humans are greatly accelerating that process.
Aired:
| Expires: | Runtime: 4m 21s
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Extras
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Critical Condition: Health in Black America Preview
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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 -
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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 -
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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 -
UFO Sightings: How Scientists are Trying to Capture More Data
To better study the UFO phenomenon, science needs more eyes on the skies.5:00
