What's the Universe Made Of? Preview
Season 45
Episode 106
About the Episode
The universe is hiding something. In fact, it is hiding a lot. Everything we experience on Earth, the stars and galaxies we see in the cosmos—all the “normal” matter and energy that we understand—make up only 5% of the known universe. Find out how scientists are discovering new secrets about the history of the universe, and why they’re predicting a shocking future.
Aired:
| Expires: | Runtime: 28s
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Extras
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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 -
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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
