Biology
Today Is Tet Zoo's 11th Birthday
It is January 21st, and that makes it Tet Zoo’s birthday
Tetrapod Zoology
Amphibians, reptiles, birds and mammals - living and extinct
Evolution
Nonstandard Ideas in Amphibian Evolution, Part 3: Could Sirens Not Be Salamanders?
Sirens—long-bodied, aquatic salamanders—are weird. But are they really so weird that they might not be salamanders at all? It's a radical idea that has at least been considered...
Biology
The Asian Dove That Ate Europe Alive
The story behind one of Europe's most familiar columbiforms...
Biology
The Strange Case of the Minnesota Iceman
The modern-day corpse of a human-like hominid, preserved in a block of ice, encountered by researchers in the 1960s, you say? Surely the zoological discovery of the century!
Evolution
Christmas 2016, When I Finished All the Fishes
It is that time of year once more...
Evolution
Nonstandard Ideas in Amphibian Evolution, Part 2: Salamanders and Caecilians Evolved Independently of all other tetrapods
Might it be that salamanders (and caecilians) are not close kin of frogs, that they evolved wholly independently of all other tetrapods?
Evolution
Nonstandard Ideas in Amphibian Evolution, Part 1
Have the animals we call frogs actually evolved separately—from distinct ancestors—on two or three separate occasions? Err, no, but let's see what people have said about this sort of thing anyway.....
Biology
The Remarkably Weird Skeletons of Frogs
Frogs and toads—anurans—have profoundly modified skeletons and are among the most atypical of tetrapods...
Evolution
Naish and Barrett's Dinosaurs: How They Lived and Evolved
A new, state-of-the-art book on dinosaurs has arrived...
Biology
Tet Zoo Bookshelf November 2016: of Flying Dinosaurs, Extraordinary Birds and Camera Traps
Time once again to look at a few recently-ish published books relevant to our interests. Hey, some would make ideal Christmas gifts—don’t you think? Without further ado…...
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
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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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