In computerese, a "vaccine" is a program that seeks out & destroys these
A compass points toward this north pole
Varieties of these simple plants include red, brown, green & blue-green
Behaviorists & dogs drool over the work of this Russian physiologist
The most abundant metal on Earth, when it was discovered in 1820 it was worth more than gold
At the same time Joan of Arc led the French, Itzcoatl was leading this group in Mexico
People began digging up this Italian city in 1748, only 1,669 years after it was buried
4 treaties to mitigate the horrors of war were signed in this city in August 1949
The Pope excommunicated her in 1570 after she made the Anglican church England's official religion
This cardinal helped establish the Academie Francaise in the 1630s