Discover 'Vessels in male sperm' by Antonie van Leeuwenhoek – a groundbreaking 1678 illustration of early microscopic sperm cell observations, showcasing scientific history and artistry.

Detailed watercolor painting by Antonie van Leeuwenhoek circa 1674 showcases a meticulous section of a cow’s optic nerve using grisaille technique – a remarkable early example of scientific illustration and observation.