The Track Pants Illusion
Why do we see two freakishly thin legs instead of a normal-sized one?
Illusion Chasers
Illusions, Delusions, and Everyday Deceptions
Jules Verne's Dreams
The facts and fiction of Jules Verne’s optical illusions
The Tilted Road Illusion
The latest viral illusion has a known explanation...
Illusions from the National Archives in New York City
National Archives of New York City archivist Christopher Zarr reveals how deeply the art form of camouflage was pursued 100 years ago during World War I
Secret UFOs, Green Rays and Why ET Is Not Coming to Christmas Dinner
An article in The New York Times revealed a recent secret Pentagon program to investigate UFOs. But science suggests they are best explained by optical illusions such as "solar mirages" and the elusive phenomena known as "green flashes"...
The Senses at the American Museum of Natural History
The exhibit at the AMNH is a new and totally fresh look at our sensory systems, with demonstrations that you won’t see elsewhere...
The Illusion of Murder
Murder scenes, up close and personal, by a skilled miniaturist...
Masters of Disguise
Nature’s everyday trickery...
The Exorcist Illusion will make your head spin!
A new twist on the hollow mask illusion
The Best Illusions of the Year
Worldwide voters chose the Top 3 Illusions of 2017...
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, 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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