We’ve all seen the amazing video of the octopus that has entirely vanished against a plant, only to flash white and reveal itself as it swims away.
Is that a case of bilateral hectocotylization, or are you just extra happy to see me? Or so might a female octopus say if she met the young subject of a new report about a certain biological oddityor oddities...
Baby octopuses are notoriously difficult to keep alive in captivityas in, almost impossible. Like their adult parents, they’re sensitive to water pH and temperature and all of that jazz...
It isn’t every day in the ocean that an octopus comes across a jar to openespecially one that contains a tasty live crab. Which is why it is particularly impressive that these invertebrates can quickly figure out how to twist off a cap in captivity...
Unless you’ve eaten sannakji, the Korean specialty of semi-live octopus, you might never have had a squirming octopus arm in your mouth.
Along with us humans, a range of hungry hunters prey on the scrumptious octopus. The boneless octopus must avoid becoming lunch for sharks, eels, fish and even killer whales.
We all know that the male octopus uses his third right arm as a penis. (Oh, you didn’t? It’s true. Sometimes he even detaches it to give to the female.) In fact, all of the arms, if not so specialized, are easily identifiableas numbers one, two, three or four on the left or right side...
TULSA, Okla.–As the rate of unexplained drowning deaths has reportedly crept up in Oklahoma’s placid lakes, some observers have turned to an unusual explanation: a freshwater octopus...
The new impressively oblivious (or riotously self-mocking)logo that adorned a rocket carrying U.S. spy satellites is actually not a bad choice, as metaphors go.
Octopus suckers are extraordinary. They can move and grasp objects independently. They can “taste” the water around them. They can even form a seal on rough surfaces underwater...
STAFFBehind the scenes at Scientific AmericanRead
Anecdotes from the Archive
Anthropology in Practice
Exploring the human condition.Read
Insights into intelligence, creativity, personality, and well-beingRead
Everything you always wanted to know about raising science-literate kidsRead
Critical views of science in the newsRead
Dark Star Diaries
Explore the science behind the dog in your bedRead
News and research about endangered species from around the worldRead
Eye of the Storm
The Science Behind Extreme WeatherRead
Frontiers for Young Minds
Science by and for kids ages 8-15Read
Commentary invited by editors of Scientific AmericanRead
Climate science in a changing worldRead
Illusions, Delusions, and Everyday DeceptionsRead
Discussion and news about planets, exoplanets, and astrobiologyRead
Opinion, arguments & analyses from guest experts and from the editors of Scientific AmericanRead
Roots of Unity
Mathematics: learning it, doing it, celebrating it.Read
Adventures in the good science of rock-breaking.Read
STAFFIllustrating science since 1845Read
STAFFA science blog, sans blagueRead
The Artful Amoeba
A Blog About the Weird Wonderfulness of Life on EarthRead
Exploring and celebrating diversity in science.Read