Grades 9-12

My Fish-Shaped Home: A History of Changes

Young Naturalist Awards Essay

My Fish-Shaped Home: A History of Changes

Did you know that Long Island was once part of a chain of volcanoes? Or that it was part of the tropics—and faced south? Step back in time with this seventh-grader for a look at the forces that shaped this giant sandbar.

When Disaster Strikes

Young Naturalist Awards Essay

When Disaster Strikes

An earthquake prediction when she was young peaked the interest of this eighth-grader from Michigan. While the earthquake never occurred, her fascination continues to this day.

Mars: Past, Present, Future

Young Naturalist Awards Essay

Mars: Past, Present, Future

In the early 1900s, some astronomers believed that the color contrasts on Mars' surface were great oceans. Today we know they are huge dust storms. Track how our knowledge of Mars has changed with this seventh-grader.

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

Online Resource, Article

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

Online Resource, Article

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

Online Resource, Article

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

Online Resource, Article

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

Online Resource, Article

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.

Brown-Eyed, Milk-Giving

Online Resource, Article

Brown-Eyed, Milk-Giving

Which regions of the world have seen the greatest rates of mammal extinction? Surprisingly, it's not the Amazon rain forest nor the clear-cut forests of the U.S. or Africa's Serengeti plain.

PROFILE: Abebe Getahun

Online Resource, Article

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.

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