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Life by the Numbers | It's Okay to be Smart | PBS Digital Studios

How successful are humans compared to other species?

Earth Video Library

 

Sukh Sidhu talks about the power of algae.



 

Gigantic mammals once roamed the freezing evergreen landscape of Ohio. How do we know? We have found their bones which have lain in Ohio's soil for thousands of years. What are those little strange looking shell-like rocks I find in the creek? They are the fossilized remains of animals that lived in the warm shallow sea that covered Ohio millions of years ago? What can we learn about the our state from the remains of the animals that once lived here? Join us on Ohio Rocks! Fossils and find out.



 

What was Ohio like during the Ice Age? Who or what lived here? What did the glaciers leave behind? How do glaciers move? Did a glacier cover my backyard? Learn the answers to these questions and more on Ohio Rocks! Ice Age.



Glacial Grooves State Memorial Park
 

Parallel lines carved from glaciers and water flows adorn the floor and walls of Glacial Grooves State Memorial Park.



 

A thick forest with a slow moving stream flowing through it, as well as rock formations characterize John Bryan State Park.



 

Water flows from caverns and trees grow near moss covered caves in Mohican Sate Park.



 

Water sits placidly in the bog as low-lying grasses and plants grown near the shore at Triangle Bog State Park.



 

Views of the fossil beds along with close-up views of fossils at Caesar Creek State Park.



 

Views of large moss covered boulders in shaded forests along with the entrance to a cave at Conkles Hollow State Park.



 

The sun shines through the canopies of the forest giving light to many plants and rock formations in Flint Ridge State Memorial Park.