Are We Alone? Preview
Season 45
Episode 103
About the Episode
The search for extraterrestrial life is an age-old quest. But recent breakthroughs make today an era unlike any in the history of astronomy. From the exhilarating probing of our own solar system and the Kepler mission’s astounding discovery of thousands of extrasolar planets, to the next-generation telescopes under development, the prospects for finding life beyond Earth have never been stronger.
Aired:
| Expires: | Runtime: 28s
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
-
This Massive Skeleton Belongs to an Ancient Whale
At first, scientists thought it was a gigantic marine reptile.2:28 -
-
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 -
