Observations
Why the 50th Anniversary of Apollo 11 Is So Special to Me
My dad worked for NASA, recruited John Glenn and knew Neil Armstrong
Blogs
Observations
Celebrating the Engineers behind the First Moon Landing
My father was one of those who worked feverishly behind the scenes 50 years ago to get astronauts safely to the moon and back
Life, Unbounded
The World Without the Moon
What if our natural satellite didn’t exist?
Recent Posts
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Taking the Bias Out of Pain Diagnosis
Objective measures of pain could help alleviate inequitable medical treatment
Special Report: What's Next for the Arctic?
In 1894 John William Strutt, Lord Rayleigh—who later went on to garner the 1904 Nobel Prize in Physics—penned an appreciation in Scientific American about the work of John Tyndall, an Irish physics professor, mathematician, geologist, atmospheric scientist, public lecturer and mountaineer...
Who Should Pay for "Moon Shots"?
The federal government must step up funding of science and technology R&D
Why Doctors Are Drowning in Medical School Debt
A resident physician investigates the causes of skyrocketing tuition
Striped Maples Can Change Sex Repeatedly
Unassuming tree has unusual sex life
Is Medicine Overrated?
Given medicine’s poor record, physicians should prescribe and patients consume far fewer medications, a new book argues...
A Strange Dinosaur's Unusual Strut
A newly named dinosaur balanced on one toe of each foot
Sloths Climb a New Evolutionary Tree
Analysis of ancient genes changes what researchers expected about giant sloth evolution
1,000 Years of Congruent Numbers
These integers have inspired one of the most important unsolved problems in mathematics
11,898 Solar Eclipses in 5,000 Years
Precisely when and where eclipses occur is a complicated business
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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Science by and for kids ages 8-15
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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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