Extensible Markup Language — a flexible text format for data storage and transport....
A dry photocopying technique using electrostatic charges to transfer toner onto paper....
A landscaping method developed for water conservation, especially in arid climates....
One of the two sex chromosomes in humans and other mammals....
A musical instrument with wooden bars struck by mallets, common in Africa and Southeast Asia....
A colorless, dense, odorless noble gas used in lighting and ion propulsion....
Traditionally considered the first dynasty in Chinese history, around 2070 BCE....
Ancient Greek philosopher who challenged traditional Greek polytheism....
The study of life forms with different biochemistry than life known on Earth....
High-energy electromagnetic radiation used in medical imaging and security scanning....