Could you attend the meeting on my behalf?

Nanotechnology has the potential to greatly change the future of medicine.

He is reading a book about the theory of evolution.

Kangaroos and wallabies are an example of parallel evolution.

Convergent evolution refers to the phenomenon where different organisms develop similar features to adapt to the same environment.

Esperanto is one of the most famous international auxiliary languages.

He set out on a journey in search of a new world.

He set out on a journey in search of the New World.

He is interested in the history of the Old World.

His grandfather fought in the Second World War.