Amusing

streetsofsalem

Heart-shaped maps are one thing, but maps of the human heart are quite another, and I’ve got both on this Valentine’s Day.  The charting of emotional territory, as opposed to physical space, has resulted in the production of several interesting maps from the seventeenth century to the near-present.  Below are the companion Map of the Open Country of a Woman’s Heart and Map of the Fortified Country of a Man’s Heart, ostensibly and anonymously drawn “by a lady” and published by the Kellogg Brothers of Hartford, Connecticut in the 1830s.  These heart maps, along with lots of other examples of the Kellogg’s impressive lithography, can be viewed at the online gallery of the Connecticut Historical Society and Museum.

I’ve brightened and cropped both maps so that you can better see the different regions that make up these human hearts. It’s very interesting that the woman’s heart is an “open”…

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Knew It

A parasite carried by cats may alter the way we think and act:

Certainly Flegr’s thinking is jarringly unconventional. Starting in the early 1990s, he began to suspect that a single-celled parasite in the protozoan family was subtly manipulating his personality, causing him to behave in strange, often self-destructive ways. And if it was messing with his mind, he reasoned, it was probably doing the same to others.

The parasite, which is excreted by cats in their feces, is called Toxoplasma gondii (T. gondii or Toxo for short) and is the microbe that causes toxoplasmosis—the reason pregnant women are told to avoid cats’ litter boxes.

-Via The Atlantic