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Stories by Katherine Harmon Courage

Baby Octopuses: Pickier Eaters Than Baby Humans

Baby Octopuses: Pickier Eaters Than Baby Humans

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.

January 24, 2014 — Katherine Harmon Courage
Speedy Octopus Sets Record for Jar Opening

Speedy Octopus Sets Record for Jar Opening

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.

January 13, 2014 — Katherine Harmon Courage
Octopuses Make Food for Weird Critters

Octopuses Make Food for Weird Critters

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.

January 1, 2014 — Katherine Harmon Courage
Octopus, How Do You Count Your Suckers?

Octopus, How Do You Count Your Suckers?

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.

December 22, 2013 — Katherine Harmon Courage
Could an Octopus Really Be Terrorizing Oklahoma’s Lakes?

Could an Octopus Really Be Terrorizing Oklahoma’s Lakes?

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.

December 19, 2013 — Katherine Harmon Courage
Octopus Suckers Have Groovy Secret for Strength

Octopus Suckers Have Groovy Secret for Strength

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.

December 1, 2013 — Katherine Harmon Courage
New Views into the Octopus’s Bizarre Moves

New Views into the Octopus’s Bizarre Moves

We’ve known for centuries that octopuses get around one of two ways: one, by crawling over surfaces with their arms, or, two, swimming with the help of their siphon’s jet.

November 21, 2013 — Katherine Harmon Courage
Why Tracy Morgan’s Pet Octopus Should Be a Dog

Why Tracy Morgan’s Pet Octopus Should Be a Dog

The comedian Tracy Morgan is known for his outlandish sensibilities, caricatured by his character Tracy Jordan on the NBC show 30 Rock. Given his obvious penchant for the odd, perhaps it’s no surprise that he’s opted to own a pet octopus, which he featured in a tweet last year.

November 13, 2013 — Katherine Harmon Courage
Happy Octopus Day! The 8 Best Octopus Discoveries

Happy Octopus Day! The 8 Best Octopus Discoveries

October 8 might be International Octopus Day, but October 31, 2013 is Octopus! day. My book Octopus! The Most Mysterious Creature In the Sea is publishing today.

October 31, 2013 — Katherine Harmon Courage
Hey, How Old Is That Octopus?

Hey, How Old Is That Octopus?

Trees have rings, horses have teeth and even rocks have radiocarbon decay. But how can you tell an octopus’s age? This isn’t a frivolous question.

October 30, 2013 — Katherine Harmon Courage
Happy International Octopus Day!

Happy International Octopus Day!

October 8 is International Octopus day (naturally)—and kicks off International Cephalopod Awareness Days. Perhaps I am a little biased, having written a book about them, but I think these animals deserve at least one day of celebration.

October 8, 2013 — Katherine Harmon Courage

How to Build a Robot Octopus

Smart, strong and flexible, the octopus is an enticing model for an entirely new kind of many-armed, multitalented robot

October 7, 2013 — Katherine Harmon Courage
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Scientific American Health & Medicine

Scientific American Health & Medicine