A plate from Metamorphosis Insectorum Surinamensium, by Maria Sibylla Merian

The Metamorphosis of a 17th-Century Insect Artist

Maria Sibylla Merian's work in the natural sciences was overlooked for centuries. Now a rare butterfly has been named in her honor.

What We Saw Under the Microscope’s Lens

The lens, a tool technology that helps make the invisible world visible, brought a revolutionary perspective to our descriptions of nature.