A medical condition of excess body fat that increases the risk of numerous health problems....
Software with source code available to the public to use, modify, and distribute....
The gravitationally curved trajectory of an object around a celestial body....
A dramatic art form combining singing, orchestral music, and stagecraft....
The vast body of salt water covering about 71% of Earth's surface....
The branch of medicine that deals with the diagnosis and treatment of cancer....
A geographic region of the Pacific Ocean, including Australia, Melanesia, and Polynesia....
The Organization of the Petroleum Exporting Countries, coordinating petroleum policies....
A Turkish empire that ruled much of the Middle East, Southeast Europe, and North Africa....
The study of the structure and properties of carbon-containing compounds....