Where Does Water Come From?
And what does the early modern search for the answer to this question tell us about the “scientific method” we colloquially accept today?
Can a Supernova Cause Mass Extinction?
Since the 1950s, scientists have been proposing supernovae as catalysts for mass extinctions. But can it be proven?
Brazil’s Museu Nacional Was More Than Just a Museum
Brazil's oldest natural history museum has burned down. The institution played a crucial part in creating Brazil's identity as a country.