Structural formulas are a source of dread for many students, but they're an essential tool in biology lessons. A study has now shown that the stress levels of students working with chemical formulas ...

Living with chronic pain can feel like a daily battle against your own body. Whether it’s the unrelenting throb of arthritis, the burning tension of fibromyalgia, or the sharp sting of nerve-related ...

Section A covers Biology, with 16 questions carrying 30 marks. Section B covers Chemistry, with 13 questions carrying 25 marks.