Our Planet

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Ocean More Diverse than Expected, Census Finds

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Why Climate Change Brings Both More and Less Water

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Picture of the Week: Daisy Wears Spots, Woos Pollinators

Reservoirs along the river may never rise to previous levels. Utah's Lake Powell has a "bathtub ring" that rises at least 70 feet above the water.

The Colorado River Runs Dry

Dams, irrigation and now climate change have drastically reduced the once-mighty river. Is it a sign of things to come?

A fossil collector since childhood, Bob Hazen has come up with new scenarios for life's beginnings on earth billions of years ago.

The Origins of Life

A mineralogist believes he's discovered how life's early building blocks connected four billion years ago

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Colorado River One of Many Imperiled Waterways

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One Fifth of World's Plants Threatened

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Julia Child and the Primordial Soup

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Finding Fossils Where You Don’t Expect Them

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The World's Oldest Living Organisms

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Water Conservation at the Smithsonian Institution

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Hurricanes' Dangerous Rip Currents

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Time to Stop Measuring Fuel Economy in MPG?

The Gulf catastrophe will have far-reaching effects, which scientists have only begun to study.

A Crude Awakening in the Gulf of Mexico

Scientists are just beginning to grasp how profoundly oil from the Deepwater Horizon spill has devastated the region

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A Jellyfish Summer

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The Tornado That Saved Washington

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Hurricanes and the Color of the Oceans

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Flowers May Adapt Faster than Thought to Climate Change

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Plane May Be Better Than Car in Climate Equation

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Searching for Bad Poetry About Geology

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