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Science History Images

Found worldwide, Toxoplasmosis gondii is a single-celled protozoan that can infect almost all warm-blooded animals.

A Mississippian copper ornament depicting a warrior in relief was found at Craig Mound at the Spiro Mounds archaeological site in Oklahoma. The site was a permanent settlement from 800 A.D. to about 1450 A.D.

A colored portrait of a woodcut from a 1725 edition of A General History of the Pyrates shows Charles Vane.

For decades physicians have shown it is possible to treat some patients with epilepsy or Parkinson’s disease using deep brain stimulation (DBS)—in which an electrode is surgically implanted deep in the brain to electrically stimulate specific neurons. DBS and vagus nerve stimulation are “good applications,” of bioelectric medicine, says Michael Levin, a biologist and computer scientist. “I just want people to understand this is the tip of the iceberg.”