Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

Feb. 21, 2026 Deep inside a Romanian ice cave, locked away in a 5,000-year-old layer of ice, scientists have uncovered a bacterium with a startling secret: it’s resistant to many modern antibiotics.

Direct object pronouns are used to replace a noun that is the direct object of the verb. They are used when talking about who or what an action is done to. For example, in the sentence 'I bought the ...