Earth Day, which is celebrated annually on April 22, is usually commemorated with outdoor activities demonstrating support for environmental protection. These include planting t...

Search for the term 'world's longest word' and you probably find Pneumonoultramicroscopicsilicovolcanoconiosis - the scientific name for a lung disease commonly referred to as s...

When 99-year-old Tom Moore announced a "walkathon" to help Britain's National Health Service (NHS) staff, he was hoping to collect a modest  £1,000 ($1,250). Instead, the World ...