Living organisms require continuous input of energy for their existence. As a result, life as we know it is based on metabolic processes that extract energy from the environment and make it available ...

Students of more recent political events are often keen to interview former officials. I know I was. Over the past two years, I talked to dozens of officials who worked in the George H. W. Bush ...

If you've ever spent time thumbing through back issues of magazines like Scientific American or New Scientist, you may have seen adverts for the Curta – a strange little device that resembles a pepper ...