A duck's nest was found today near the trail on the dry open prairie with as far as could be seen no water or marsh near. The bird flew off but could not tell what species. The eggs nine originally. ↗
The adaptive markets hypothesis says that all economic institutions, like our own species, develop and change over time, depending on the population of investors that are engaged with them. ↗
Mr. Darwin refers to the multitude of the individual of every species, which, from one cause or another, perish either before, or soon after attaining maturity. ↗
