If you had the chance to interact with 20-year-older self, what would you say? We know what we’d say, but it would likely be after marveling that we are still alive. But what if your high-school self ...

Remember that famous line in the movie Jerry Maguire where Renee Zellweger says to Tom Cruise, "You had me at 'hello' "? Well it turns out there is some scientific evidence to back this up. People use ...