How Wildfires and Ozone Led to Terrible Air Quality
Season 48
About the Episode
During summer 2021, cities like New York and Sacramento reported higher-than-normal air pollution — with Denver on Aug. 7 reporting the worst air quality in the world.
Aired:
| Expires: | Runtime: 6m 05s
Recent Episodes
-
Episode 9, Season 52<br> Critical Condition: Health in Black America
After centuries of pseudoscience, researchers examine the causes of racial health disparities.| 1:36:42 -
Episode 8, Season 52<br> Secrets of the Forest
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.| 53:41
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 -
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
