EARTH
Visiting a Desert Karst Oasis: The Magic of Montezuma Well
An ancient lake, an underwater spring, a sinkhole, a perched water table and time combine to create a desert karst oasis
Rosetta Stones
Adventures in the good science of rock-breaking.
EARTH
A Marvelous Example of a Kīpuka
Lava flows don't always destroy everything in their path. And we have a word for what survives
EARTH
More Magnificent Mount Saint Helens Photos for Your Viewing Pleasure
We continue our journey through the USGS database full of delicious Mount Saint Helens photos
EARTH
Live-Blogging Richard Waitt's In the Path of Destruction XI: Things Go South
Tree-planting crews and people out for a little recreational fun on Mount Saint Helens's south side learn that even when a volcano's blowing out to the north, the south side will also see some pretty intense action...
EARTH
Spectacular Images of Mount Saint Helens's Eruption
The 1980 eruptive sequence completely changed the landscape around Mount Saint Helens. Geologists flocked there to measure and investigate, taking thousands of photos in the process...
Arts & Culture
A Geology Musical Interlude for Your Enjoyment
It's Friday. We deserve to have some fun, right? Let's have some music!
The Sciences
Learning the Language of Rivers, Part 3: The River Sings
In this edition: we hear the river singing, and learn how to understand what it's singing about
The Sciences
Learning the Language of Rivers, Part 2: The Basics
The Marys River begins to teach me the language of rivers. Come along and watch me stumble over unfamiliar phrases!
The Sciences
Learning the Language of Rivers, Part 1: A History of Confusion
Rivers, my friends, are geologically fascinating entities. They come in a variety of styles. And if you don't speak their language, they may kill you. Also, here in the Pacific Northwest they've interacted with volcanoes in intriguing ways...
The Sciences
Live-Blogging Richard Waitt's In the Path of Destruction X: Photographing a Cataclysm
Photographing an eruption while you're in the path of it is fraught with difficulty. Plus: helpful tips on surviving an ash cloud
Blog Index
@ScientificAmerican
STAFFBehind the scenes at Scientific American
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Anecdotes from the Archive
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Anthropology in Practice
Exploring the human condition.
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Beautiful Minds
Insights into intelligence, creativity, personality, and well-being
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Budding Scientist
Everything you always wanted to know about raising science-literate kids
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Cross-Check
Critical views of science in the news
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Dark Star Diaries
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Dog Spies
Explore the science behind the dog in your bed
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Extinction Countdown
News and research about endangered species from around the world
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Eye of the Storm
The Science Behind Extreme Weather
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Frontiers for Young Minds
Science by and for kids ages 8-15
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Guest Blog
Commentary invited by editors of Scientific American
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Hot Planet
Climate science in a changing world
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Illusion Chasers
Illusions, Delusions, and Everyday Deceptions
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Life, Unbounded
Discussion and news about planets, exoplanets, and astrobiology
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Observations
Opinion, arguments & analyses from guest experts and from the editors of Scientific American
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Roots of Unity
Mathematics: learning it, doing it, celebrating it.
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Rosetta Stones
Adventures in the good science of rock-breaking.
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SA Visual
STAFFIllustrating science since 1845
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Talking back
STAFFA science blog, sans blague
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The Artful Amoeba
A Blog About the Weird Wonderfulness of Life on Earth
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Voices
Exploring and celebrating diversity in science.
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