Collections – Leech Jar Staffordshire, England, 1850

Hard to believe that leeches were kept in this beautiful jar! In the mid-19th century, medical practitioners used these blood-sucking worms as a cure-all, treating everything from boils to headaches. Today doctors continue to employ leeches, though not nearly as often! For example, leeches can be used to prevent tissue death by kick-starting blood flow… Continue reading

Collections – Galvanometer | Massachusetts, ca. 1930s

A galvanometer is an instrument used to indicate the presence, direction, or strength of an electric current. In 1820, scientists found the first connection between electricity and magnetism when they discovered that electric currents create magnetic fields. This particular galvanometer is an astatic galvanometer, which has two needles with opposite polarities that cancels out the… Continue reading

Collections – Fossilized turtle shell

This turtle shell was found in the Pine Ridge area of South Dakota, and dates to the Oligocene epoch (approximately 34 million years ago). The Badlands of South Dakota contains one of the largest deposits of Oligocene fossils in the world. The area is filled with marine fossils and turtle shells, evidence that the middle… Continue reading

Saint Louis Science Center Collections A to Z

The Science Center’s Collections Department cares for and preserves a wide variety of artifacts, some of which may surprise you! From animals to fossils, ancient pottery to meteorites, space toys to medical tools, here you can discover a selection of wonderful things from A-Z. Connect with curiosity!