Up Next
Back to Show
NOVA
How Wildfires and Ozone Led to Terrible Air Quality
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.
Support Provided By
Unlock with PBS Passport
53:09
Join pioneering shipbuilders as they embark on a feat of maritime engineering.
1:53:34
How can the science of learning help us rethink the future of education for all children?
Unlock with PBS Passport
53:49
Discover how Allied forces conspired to destroy one of Hitler’s most diabolical weapons.
52:51
Join investigators as they untangle the cause of Alzheimer’s and race to develop a cure.
53:32
Watch as Otzi, a 5000-year-old mummy, is brought to life and preserved with 3D modeling.
Unlock with PBS Passport
53:07
Retrace the thought experiments that inspired his theory on the nature of reality.
53:35
How did massive volcanic eruptions, inland seas, and land bridges pave the way for life?
53:35
Experience the colossal geologic forces that shaped our continent over 3 billion years.
53:10
Examine the science behind vaccinations and the risks of opting out.
Unlock with PBS Passport
52:52
Can scientists unravel the mysterious phenomena that lurk between Earth and space?
Unlock with PBS Passport
53:10
Which technologies worked in the race to track down the men behind the marathon attack?
Unlock with PBS Passport
52:53
Can science help us understand why some people commit horrific acts of mass murder?