Yale's Mysterious Fossil Beast
Despite being discovered over a century ago, Synoplotherium is still an enigma
Laelaps
Following the fossil trail through evolution, extinction, and survival
Paleo Profile: The La Luna Snake
This swimming snake is the oldest yet found in northern South America
Early Ichthyosaur Marks Marine Reptile Boom and Bust
This new fossil outlines the rise and fall of fish-like reptiles.
Paleo Profile: Knight's Egyptian Bat
One of the earliest bats was not only a giant, but an omnivore.
Olduvai's Lions Have a Bone to Pick
A skeletal cache has revealed an unseen aspect of lion behavior.
Paleo Profile: The Maoming Cat
A "false saber cat" skull is the first of its kind found in China
Ice Age Death Trap Yields an Unexpected Carnivore
Bones from Wyoming's Natural Trap Cave turn out to be those of a wolf never before found in the lower 48
Paleo Profile: The Light-Footed Lizard
A mystery for decades, Elaphrosaurus finally finds its perch in the dinosaur family tree
There's Something Fishy about This Fossil Bird
Prehistoric puke reveals what some toothed birds were eating
Blog Index
@ScientificAmerican
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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, and the mind
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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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Yale's Mysterious Fossil Beast
Despite being discovered over a century ago, Synoplotherium is still an enigma
Read
Paleo Profile: The La Luna Snake
This swimming snake is the oldest yet found in northern South America
Read
Early Ichthyosaur Marks Marine Reptile Boom and Bust
This new fossil outlines the rise and fall of fish-like reptiles.
Read
Paleo Profile: Knight's Egyptian Bat
One of the earliest bats was not only a giant, but an omnivore.
Read
Olduvai's Lions Have a Bone to Pick
A skeletal cache has revealed an unseen aspect of lion behavior.
Read
Paleo Profile: The Maoming Cat
A "false saber cat" skull is the first of its kind found in China
Read
Ice Age Death Trap Yields an Unexpected Carnivore
Bones from Wyoming's Natural Trap Cave turn out to be those of a wolf never before found in the lower 48
Read
Paleo Profile: The Light-Footed Lizard
A mystery for decades, Elaphrosaurus finally finds its perch in the dinosaur family tree
Read
There's Something Fishy about This Fossil Bird
Prehistoric puke reveals what some toothed birds were eating
Read
Observations
Opinion, arguments & analyses from the editors of Scientific American
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Plugged In
More than wires - exploring the connections between energy, environment, and our lives
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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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Tetrapod Zoology
Amphibians, reptiles, birds and mammals - living and extinct
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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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