These brothers pioneered the world's first successful motor-operated aircraft.

This organelle is known as the powerhouse of the cell.

This co-founder of AT&T invented one of the devices for which his company is known.

This organelle is found in almost all plants, but never in animals, and helps conduct photosynthesis.

Nikola Tesla preferred using this type of motor, which he invented, over the contrasting "direct current" type.

While bacteria lack a nuclear envelope and therefore do not fall into this category, mammals and birds do.

One of this man's inventions include a thermometer consisting of a cylinder with sealed glass balls inside it.

This term describes the act of division that two cells undergo at the end of mitosis or meiosis.

This man is famous for his analytical engine and is often considered the father of the computer.

This is a series of three nucleotides that indicates a specific amino acid.