Educators

A Conversation with Jacques Malavieille

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A Conversation with Jacques Malavieille

The mountain-building processes of folding and faulting take many millennia on Earth—and a matter of minutes in the lab. Learn how even small models provide a big-picture view of our dynamic world.

Zircon Chronology: Dating the Oldest Material on Earth

Article

Zircon Chronology: Dating the Oldest Material on Earth

The mineral zircon serves as a tiny time capsule, recording geologic events—it's especially useful because the oldest discovered grains (4.2 billion to 4.3 billion years old) are not much younger than the Earth itself.

James Hutton: The Founder of Modern Geology

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James Hutton: The Founder of Modern Geology

Until the late 18th century, most people believed the Earth was about 6,000 years old. Hutton changed this belief by proposing that geologic forces operate at the same rate today as in the past.

Inge Lehmann: Discoverer of the Earth's Inner Core

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Inge Lehmann: Discoverer of the Earth's Inner Core

Each one of the thousands of earthquakes that occur every year offers a brief glimpse of what's happening deep inside the Earth. Lehmann used seismic signals to change our knowledge of the Earth's core.

PROFILE: Penelope Bodry-Sanders

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PROFILE: Penelope Bodry-Sanders

From acting on the Broadway stage to acting on her concerns about habitat destruction in Madagascar, Penelope Bodry-Sanders has had a wide-ranging and active career.

PROFILE: Kevin Browngoehl

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PROFILE: Kevin Browngoehl

Not long ago, leukemia was a fatal disease. Thanks to treatment that includes a potent drug created from a Madagascar plant, today more than 70 percent of children can be cured.

PROFILE: Clare Flemming

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PROFILE: Clare Flemming

Bats are the only native mammal on Puerto Rico today, but that was not always the case. Find out what Flemming has learned by rappelling down cliffs and climbing through caves on the island.

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Jesup Revisited

In the past century, how much has life changed in the North Pacific? Explore this question with photographs on display in eight regional museums in the Russian far east.

PROFILE: Abebe Getahun

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PROFILE: Abebe Getahun

This biologist was inspired by the Swedish scientists he encountered as a youth in Ethiopia. Learn how his career studying freshwater systems continues on an international front.

PROFILE: Jane Goodall

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PROFILE: Jane Goodall

Goodall's work studying and working to protect chimpanzees is legendary. Yet it is not the only conservation effort in which she plays an active role.

PROFILE: Jaime A. Pinkham

Article

PROFILE: Jaime A. Pinkham

As head of the Department of Fisheries Resource Management for the Nez Perce tribe, Pinkham sees a strong link between the protection of biological and cultural diversity.

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