bacteria: (singular: bacterium) Single-celled organisms. These dwell nearly everywhere on Earth, from the bottom of the sea to inside other...

Sid Sivakumar, a puzzle constructor and M.D./Ph.D. student in biomedical engineering and neuroscience, edited this puzzle. Looking for answers? Go...

A strange type of ice thought to dwell deep in the oceans of alien planets has finally been proven to...

amino acids: Simple molecules that occur naturally in plant and animal tissues and that are the basic building blocks of...

This is episode 2 of The Deep End. Listen to more episodes here. Depression can affect not just the mind,...

algorithm: A group of rules or procedures for solving a problem in a series of steps. Algorithms are used in...

BOSTON — The official theme of the meeting of the American Association for the Advancement of Science, held February 13–15,...

academic: Relating to school, classes or things taught by teachers in formal institutes of learning (such as a college). algorithm:...

Meet Jon Nelson. He’s a dad, a husband, a coach and a professional who works in marketing. But underneath it...

Avulsion (noun, “uh-VUL-shun”) In geology, avulsion refers to a river or stream changing course over a short period of time....