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Stories by Katherine Harmon Courage

No Shots for the Octopus, Its Immune System Doesn’t Remember

No Shots for the Octopus, Its Immune System Doesn’t Remember

Flu season is almost upon us, so millions of us are already rolling up our sleeves to get the annual shot. This jab is formulated to introduce our immune system to this year’s circulating strains of the virus so that it will remember how to make the specialized antibodies to fend it off the viral [...]

September 28, 2013 — 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
Octopus Babies Hatch by the Thousands, Captured on Video

Octopus Babies Hatch by the Thousands, Captured on Video

Octopuses live short, lonely lives. Even the big ones only see a few years. And that usually means only one shot at creating the next generation—and they don’t have time for parenting.

September 19, 2013 — Katherine Harmon Courage
How Does That Crazy Camouflage Octopus Disappear? [Video]

How Does That Crazy Camouflage Octopus Disappear? [Video]

The vanishing octopus is back. This stunning cephalopod, caught on video by Roger Hanlon, a senior scientist at the Woods Hole Marine Biological Laboratory, has been making the rounds online again.

September 18, 2013 — Katherine Harmon Courage
Do Octopuses Feel Pain?

Do Octopuses Feel Pain?

The past couple posts have described some pretty severe experiments on octopuses, including: showing how octopus arms can grow back after inflicted damage and how even severed octopus arms can react to stimuli.

August 30, 2013 — Katherine Harmon Courage
Robot Octopus Swims with Lifelike Arms [Video]

Robot Octopus Swims with Lifelike Arms [Video]

Most octopuses get around primarily by crawling along the seafloor. And if they need to get somewhere in a hurry, they can employ their funnels to jet away like their pelagic cousins, squid.

August 1, 2013 — Katherine Harmon Courage
Land-Walking Octopus Explained [Video]

Land-Walking Octopus Explained [Video]

The slimy-looking cephalopod, captured in a rare video crawling over land, has many people (queasily) asking whether such bizarre-looking behavior is unusual for these animals.

November 24, 2011 — Katherine Harmon Courage