Tag: Rare Earth
Salt of the Earth Regulates Habitability
A planet needs more than location in a habitable zone. It needs the right ingredients, and salt has a surprising role.
Intelligent Design and Cosmic Fine-Tuning
In combination, the factors mentioned here and in my last two posts constrain the “cosmic habitable age” to narrower dimensions.
Rare Earth at Twenty — And My Connection
In principle, the conjoining of the many Rare Earth factors could overwhelm the available probabilistic resources and serve as evidence for Earth’s design.
Plate Tectonics: Why Life Is Served on Plates
The ground under your feet is literally moving. The continents are drifting apart near an average rate of one inch per year.
On the 15th Anniversary of The Privileged Planet: An Update
The basic thesis of TPP is that the best places for intelligent observers are also the best places for observing.