Up Next
Back to Show
NOVA
Fossil-Filled Limestone
About a thousand feet below the rim of the canyon the rock changes to limestones and it’s loaded with fossils. “I’ve got a little fossil coral in my hand. And it’s fossils like this that tells us that this whole landscape was once underwater.”
Support Provided By
53:38
Explore big discoveries that have revolutionized our understanding of the universe.
53:10
Follow the quest to recover DNA millions of years old for the very first time.
53:15
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.
Unlock with PBS Passport
53:17
New evidence reveals the real story of Easter Island and the builders of its stone heads.
53:31
Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.
Unlock with PBS Passport
53:30
A family turns to science in their struggle to rediscover a history obscured by slavery.
53:20
The inside story of China’s meteoric rise to the forefront of global innovation.
Unlock with PBS Passport
53:15
How did Earth give rise to humans? See what made our species' existence possible.