When it flows out of the earth, it becomes lava; when blasted into tiny fragments, it becomes volcanic ash
This 16th century professor at the University of Padua is called the "Father of Modern Anatomy"
To make his barometer, Evangelista Torricelli inverted a glass tube in a dish of this
In 1894 Kitasato found the bacillus that caused this scourge of the Middle Ages
Ventifacts are rocks that are shaped by sand driven by this force of nature
Alfred Lovell's Jodrell Bank radio telescope was finished in 1957 just in time to track this 1st artificial satellite
One of Galen's favorite animals to dissect was this "ape" of Gibraltar
It's the only calendar month that can go without a full moon
Hematite is an important ore of this metal
Prone to volcanoes & earthquakes, the "Ring of Fire" borders this ocean