The Sciences
Does 1+2+3... Really Equal -1/12?
A Numberphile video posted earlier this month claims that the sum of all the positive integers is -1/12. Is it true?
Roots of Unity
Mathematics: learning it, doing it, celebrating it.
Collective Nouns for Mathematicians
Every once in a while I stumble on an interesting collective noun, usually for animals: a parliament of owls, a knot of toads, an exaltation of larks.
The Sciences
The Roots of Unity Year in Review
My most popular posts from this blog's first year
Felix Klein on Mathematical Progress
I just finished reading a set of lectures the great mathematician Felix Klein delivered at the 1893 World’s Columbian Exposition in Chicago.
Apply Now for an AAAS Mass Media Fellowship
I started writing about math and science in June 2012 thanks to an AAAS Mass Media Fellowship sponsored by the American Mathematical Society.
Mathematics+Fatherhood: an Interview with Darren Glass
Back in September, I published an interview with mathematician and mom Constance Leidy by mathematician and mom Lillian Pierce. It was part of a series of interviews for the Association for Women in Mathematics about how women balance motherhood with their mathematical careers...
These Hypocycloids Will Make You Happy
Unless you’re holding a baby or a scalpel, drop everything and read this blog post about hypocycloids by John Baez. (And if you’re holding a scalpel, please put away whatever device you’re reading this on and pay attention to your surgery!) In addition to a lovely exposition by Baez, the post features some gorgeous animations [...]..
The Sciences
Counterexamples in Origami
Surfaces are complicated. Triangles are simple. That’s an idea behind some methods of creating computer graphics and some advanced mathematics.
A Mathematical Thanksgiving Celebration
Last year, the inimitable Vi Hart made a Thanksgiving video series, describing how to imbue your holiday celebration with more mathematics.
The Sciences
A Cuddly, Crocheted Klein Quartic Curve
Mathematical crochet shines in Daina Taimina's model of a mathematical surface
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
STAFF
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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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