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Health: Are Octopuses Rocking Too Much Heavy Metal?

Octopuses are a popular entrée for plenty of predators—including us humans. And for good reason. Octopuses are nutritious, with loads of lean muscle in those amazing arms, and plenty of good minerals...

May 8, 2014 — Katherine Harmon Courage

How To Visit the Deep Sea

For at least the last 15 years, I have dreamed of travelling to the deep sea. If you read this blog regularly or have ever watched a documentary about the deep sea, you understand why.

September 8, 2014 — Jennifer Frazer

Octopus-Inspired Camouflage Flashes to Life in Smart Material

Octopuses and their cephalopod cousins are the undisputed masters of disguise. An octopus can change its color, texture and luminosity faster than you can say “camouflage.” So far our lowly human attempts at imitation have been quite crude...

August 21, 2014 — 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
Even Severed Octopus Arms Have Smart Moves

Even Severed Octopus Arms Have Smart Moves

The eight wily arms of an octopus can help the animal catch dinner, open a jar and even complete a convincing disguise. But these arms are not entirely under the control of the octopus’s brain...

August 27, 2013 — Katherine Harmon
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
There Are Plenty of Octopuses In the Sea—Or Are There?

There Are Plenty of Octopuses In the Sea—Or Are There?

First a moment to celebrate Octopus Chronicles‘ 100th post! Little could I have imagined when I started this blog in November 2011 that there would be so much amazing octopus research to cover—and so many wonderful readers...

December 27, 2014 — Katherine Harmon Courage

First Octopus Farms Get Growing

Fish farms now produce million tons of fish each year around the globe. But octopuses have largely escaped this kind of confined aquaculturing, despite a growing global demand and overfishing...

September 24, 2013 — Katherine Harmon Courage

Will the Robot Uprising Be Squishy?

Octopuses offer an extreme engineering challenge: They are almost infinitely flexible, entirely soft-bodied and incredibly intelligent. Are we vertebrate humans ever going to be able to build anything as deformable and complex as a real octopus?...

July 26, 2013 — Katherine Harmon

Tiny Hairs Help Octopus Suckers Stick

Just when you thought octopuses couldn’t get any weirder: It turns out that their suckers have an unexpectedly hairy grip. Octopuses can form an impressively tight grip—even on a rough surface...

May 19, 2014 — Katherine Harmon Courage

Aquanaut Dives Deep and Dies, Disheartening Scientists

Efforts to explore the deepest recesses of Earth's oceans were dealt a heavy blow last weekend when one of history's most accomplished deep-sea explorers imploded several kilometers beneath the Pacific and resurfaced in pieces...

May 12, 2014 — Larry Greenemeier

Does the Octopus Really “Fart” Ink? [Video]

It’s true that the octopus is super weird. These animals have blue blood and three hearts. And as online personality and humorist Ze Frank points out in his latest video creation, it seems that they can also “fart ink at a moment’s notice”--pointing to this as “evolution at its finest.” The video’s tongue-in-cheek tone might [...]..

April 22, 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
Scientists Explore New Zealand’s Deep Sea (Part I)

Scientists Explore New Zealand’s Deep Sea (Part I)

The JAMSTEC research vessel RV Yokosuka sailed from Nuku’alofa in Tonga this morning, heading towards New Zealand to explore the animal life on deep undersea mountains, or seamounts.

November 25, 2013 — Malcolm Clark and Shinji Tsuchida
Drown Your Town

Drown Your Town

From: Drown Your Town: what does your hometown look like with sea level rise? by David Wogan at Plugged In. Source: Andrew David Thaler Amid a couple of harrowing weeks in the science blogging community, a madcap and dastardly plan was hatched by the Southern Fried Scientist, Andrew David Thaler...

October 24, 2013 — Glendon Mellow
How Octopus Arms Regenerate With Ease

How Octopus Arms Regenerate With Ease

Like a starfish, an octopus can regrow lost arms. Unlike a starfish, a severed octopus arm does not regrow another octopus. But the biological secrets inside their arm regeneration feat do hold the promise of learning more about how we might better regenerate our own diseased or lost tissue...

August 28, 2013 — Katherine Harmon
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Scientific American Health & Medicine

Scientific American Health & Medicine