The first synthetic element

The first synthetic element

The first synthetic element, Published online: 28 January 2019; doi:10.1038/d41586-019-00236-4

When Mendeleev proposed his periodic table in 1869, element 43 was unknown. In 1937, it became the first element to be discovered by synthesis in a laboratory — paving the way to the atomic age.

from A via a.sfakia on Inoreader https://go.nature.com/2B8w3Hw