the battle for control of the skies over the UK - the Battle of Britain. Many modern-day pilots dream of experiencing the thrill and the emotion involved with climbing into the seat of a Spitfire ...

On a whim, she examined the dots under a microscope and couldn’t believe her eyes. Beautiful spiral patterns had been etched into the germanium surface by a chemical reaction. Wong’s curiosity led her ...

The immune system responds to an infection by producing antibodies that recognize and bind to the cell surface of the pathogen, thus marking it as an intruder and triggering an immune response.