Galena Medium No subject is off-limits for

No subject is off-limits for acclaimed science reporter Erika Engelhaupt

Authentic human scapula bone

Stereoscopy was invented in 1839 to study binocular vision

philosophies

It discusses the interactions of poisonous plants with other organisms--particularly humans—and explores the various ways plant toxins can target the normal functioning of bodily systems in mammals

Galena Medium No subject is off-limits forSourced from Morocco, galena is one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic crystal system often showing octahedral forms. It is often associated with the minerals sphalerite, calcite and fluorite. Measures approximately 2". These items come from the natural world and may display some slight variations in color, shape, size, and pattern. If you would like a photo of the exact item you will be