All of space, time, matter, and energy that exist, estimated at 13.8 billion years old....
Late Vedic Sanskrit texts discussing meditation, philosophy, and spiritual knowledge....
A medical specialty focused on the urinary tract and male reproductive system....
Technical and political process focused on the development of land use in urban environments....
A radioactive heavy metal used as fuel in nuclear reactors and in nuclear weapons....
An imagined place where everything is perfect, a concept central to political theory and literature....
An international organization founded in 1945 to promote peace, security, and cooperation....
A family of multitasking, multiuser operating systems that derive from the original AT&T Unix....
The largest country entirely within Europe, known for its fertile plains and long history....
Electromagnetic radiation shorter than visible light, responsible for sunburns and tanning....