Five multiple-choice questions – set by children – to test your knowledge, and a chance to submit your own junior brainteasers for future quizzes Submit a question About 6,000 – the same as the number ...

Before the Princess of Wales boarded a lifeboat on the River Thames in London earlier this month, she warmly waved as royal fans cheered her on. Eagle-eyed onlookers may have noticed a striking detail ...

Your hands can reveal far more than you think. In this video, a rheumatologist walks you through simple at-home tests that may uncover clues about genetic conditions, autoimmune diseases, diabetes, ...