After some serious number crunching, a researcher says that he has come up with a mathematical model for a viable time machine: a Traversable Acausal Retrograde Domain in Space-time (TARDIS). He ...

If you’ve ever passed the cockpit while boarding a flight and tried to pick up bits from your pilots’ conversation, you probably didn’t glean much from them. From terms like “niner” to “Zulu,” ...

Many facts of everyday life contribute to chronic stress; some, such as money and parenting, are nearly universal sources. The first step toward getting chronic stress under control is to learn your ...