In a changing world, one thing is constant: we’ll always need the toilet. No matter what lies ahead, we will always rely on sanitation to protect us from diseases and keep our environment clean. Today ...

A pronoun takes the place of a noun close nounA noun is the name of a thing, such as an object, a place, or a person. in a sentence. Pronouns are short words like 'it', 'she', 'he', 'you', 'we', 'they ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...

About 2,500 years ago Greece was one of the most important places in the ancient world. The Greeks were great thinkers, warriors, writers, actors, athletes, artists, architects and politicians. The ...