A chemical mystery lurks in the laboratory of Tycho Brahe, one of the most famous astronomers of all time. Scientists found tungsten in Brahe's lab, and they're not sure how it got there.

Renaissance astronomer Tycho Brahe's lab is home to a centuries-old chemical mystery

Source: space
Source Link: https://www.space.com/astronomer-tycho-brahe-lab-tungsten-mystery