Humans are cultural creatures. We can appreciate art and science, and crucially we can pass down our knowledge and behaviour to new generations, through observation and learning. Although chimps and other animals can
learn some things by observing the behaviour of their elders, humans are the only species that accumulates and advances its level of knowledge in this way. The ability to build on the culture of previous generations has enabled us to make cars, send people to the Moon, and develop the internet. It is open to
