The two-year contract. It is the bane of a cell phone owner?s existence, especially one who must have the latest hot phone at a discounted price. Two years is a long time, and few other marketers can ...

AT&T made the leap first, revealing that it plans to offer 8-GB and 16-GB iPhone 3G smartphones at a special "no-commit" price. That translates to $599 and $699, respectively, to avoid being locked ...

Human embryo at the 4-cell stage. Cell DNA appears in red and their actin cytoskeleton in blue. The cell on the right has just split its genome into two and is about to divide. In humans, embryonic ...

In his famous letter to the Royal Society dated Oct. 9, 1676, Antonie van Leeuwenhoek described a single-celled eukaryote (Vorticella) and its fascinating ultrafast cell contraction as the first set ...