audible     Something that can be heard, usually with ears or other sound-sensing structures. cancer     Any of more than 100 different diseases, each characterized by the rapid, uncontrolled growth of abnormal cells. The development and growth of cancers, also known as malignancies, can lead to tumors, pain and death. cell     The smallest structural andContinue Reading

3-D printer    A means of producing physical items — including toys, foods and even body parts — using a machine that takes instructions from a computer program. That program tells the machine how and where to lay down successive layers of some raw material (the “ink”) to create a three-dimensional object. biologist     A scientistContinue Reading

adaptation     (in biology) A process by which an organism or species becomes better suited to its environment. When a community of organisms does this over time, scientists refer to the change as evolution. Aedes aegypti     A species of mosquito that can transmit the viruses responsible for several tropical diseases, including dengue fever,Continue Reading