A Tiny Key to a Terrible Lock

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Discover, June 16, 2011

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For tens of millions of Americans, pain is not just an occasional nuisance—a stubbed toe, a paper cut—but a constant and torturous companion. Chronic pain can be focused on an arthritic knee or a bad back, diffused throughout the body, or even located virtually in an amputated limb. It can linger for years. And it can transform the world so that merely the light brush of a finger is an agonizing experience. The daily devastation can be so intense that people with chronic pain are up to six times as likely as those who are pain-free to report suicidal thoughts.

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Virus as Koosh ball: My favorite image of the day

Posted on by Matt Kristoffersen

The other day I got the July issue of American Scientist and was tickled to no end to see this portrait of mimiviruses on the cover. As I write in A Planet of Viruses, mimiviruses were literally hiding in plain sight for years. Scientists considered them to be bacteria because they were too big to be viruses (see the minuscule HIV and rhinovirus, the cause of colds, for scale). It turns out they are indeed viruses, and perhaps the most interesting viruses on Earth. They may even represent an ancient branch of the tree of life, reaching back several billion years.

Check out James Van Etten’s excellent review of the science of giant viruses in the magazine.

Originally published June 14, 2011. Copyright 2011 Carl Zimmer.