The origin of life occupies a very important place in the study evolution. Its liminal location between and non-life poses special challenges to researchers who this subject. Current approaches studying evolution early are reductive: they either reduce domain or vice versa. This contribution seeks provide perspective that would avoid reductionism any kind. goal is outline frame include both dom...

The share of increases in life expectancy realized after age 65 was only about 20 percent at the beginning of the 20th century for the US and 16 other countries at comparable stages of development; but that share was close to 80 percent by the dawn of the 21st century, and is almost certainly approaching 100 percent asymptotically. This new demographic transition portends a diminished survival ...