If you don&rsquot have too much time or are simply feeling lazy to read a heavy book try opening these 15 books under 100 ...

From these indirect observations, scientists have calculated that the scorchingly hot inner core, with temperatures ...

The recent death of former President Jimmy Carter got me thinking about what prolific writers our presidents have been. Every chief executive since Herbert Hoover (the 31st U.S. president) has a presi ...