Amazon Web Services went down earlier today, kicking off at 3 am ET at AWS' main US-East-1 region hosted in northern Virginia—the heart of its cloud services. According to the website Downdetector, ...

With information overload, rapidly and effectively communicating complex medical data to healthcare professionals, researchers, and patients is crucial. Today’s audiences not only benefit from, but ...

Sometimes, identical genes will produce different expression patterns. Why? Geneticists are now examining the "penetrance" and "expressivity" of genotypes and their phenotypes. In fact, large ...

Happiness is an electrifying and elusive state. Philosophers, theologians, psychologists, and even economists have long sought to define it. And since the 1990s, a whole branch of psychology—positive ...

The present perfect with 'for' and 'since' Comparatives and superlatives The present perfect with ‘just’, ‘already’ and ‘yet’ Defining relative clauses ‘May’, ‘might’ and ‘could' Subject questions Too ...