Thousands around the globe hope for a day when people will no longer kill animals for food, but will instead eat a diet of only plants so that animals will no longer be harmed. Will that day ever come?

When it comes to questions of right and wrong, people often try to imagine a law they can use to decide between right and wrong. Or instead of formulating a law, many people go by "gut feeling"....In either of these methods, the final judge of right and wrong is the person themself.

Evolution is a popular idea that going back in time, people's grandparents were chimpanzee-like animals, then going further back, people's grandparents were fish, then going further back, people's grandparents were tiny single cells. Many people believe the tiny cells came from non-living rocks, gasses or liquids that came to life.