Never break someone's heart, they only have one. Break their bones instead, they have 206 of them.

The electromagnetic force acts between what

How many neutrons does a atom of cobalt have?

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean