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A Moment of Science
North and South America were arranged in nearly the same positions as they are today as far back as 20 million years ago. A significant difference was that they were separated by a deep open channel called the Central American Seaway.
Today on A Moment of Science, we’ll look at how geodes form and how they collect in such complex patterns.
Just one glacier can release up to 41 tons of methane from meltwater a day during the summer months.
A newly discovered cave could very well be tens of thousands of years old, and dangerous to explore.
From the source: "Salmon and trout species found on BLM-managed lands include bull trout, westslope cutthroat trout, Yellowstone cutthroat trout, Lahontan cutthroat trout, redband trout, steelhead trout, and chinook and sockeye salmon."
Humans aren't the only animals that can alter landscapes.
The West Branch Susquehanna River, Clinton County
Rivers prefer not to flow in straight lines.
The Indian Ocean.
Geologists have found proof that a microcontinent exists near the island of Mauritius.
An image of the seven visible continents.
Zealandia, off the eastern coast of Australia, has existed for millions of years.
Check out that bright blue water!
Why are some mountain lakes so beautiful? Thank a glacier.
Europe would look very different is the continents had not separated!
It was one of the Earth's momentous times. Continents collided. Volcanoes erupted. Ocean currents shifted. Species ran amok.
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