Japanese quake and predicted tsunami wave heights

Based on the “half-your-age-plus-seven” rule, the range of people you can date expands with age. Combine that with population counts and demographics, and you can find when your non-creepy dating pool peaks.

I think we can all benefit from knowing a little more about others these days. This is a glimpse of how different groups live.

See how your college’s selectivity ranks against the rest.

Difficulties increase steadily over the years, but if we’re lucky enough to reach our 80s, there appears to be a steeper drop.