Biology
The Mesmerizing Motions of Starfish Larvae [Video]
The flow patterns starfish larvae generate while going about their business have an otherworldly beauty
The Artful Amoeba
A Blog About the Weird Wonderfulness of Life on Earth
Evolution
These Fins Are Made for Walking
The sea robin looks nothing like a robin—or anything else, really
Evolution
Shellfish Bearing Tusks? It Happened
500 million years ago, such creatures were part of the community of oddballs famously found in today's Burgess Shale
Biology
Inside the U.S.'s Only Ocean Exploration Ship
Okeanos Explorer is like Houston, Cape Canaveral and the space shuttle all rolled into one
Biology
Why Do Dust Mites Seem to Shun the Western U.S.?
A new study fails to find evidence of dust mites in dust samples from most of the west. Are there really none out there?
Biology
Life Is a Highway: Watch Bacteria Riding the Fungal Expressway [Video]
And they ride it all night long
Biology
Soil Fungi Serve as Bacterial Highways and Dating Services
Fungi give bacterial evolution a kick in the pants
Biology
The Gorgeous and Bizarre Dandelion Siphonophore [Video]
An ocean treasure to end the year right
Biology
Asian Snails Can Club Predators with Their Shells [Video]
Meek mobile home becomes butt-kicking bludgeon
Biology
A Very Festive and Very Spiny Urchin [Video]
Sea urchin? Or tree topper?
Blog Index
@ScientificAmerican
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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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