punctuated equilibrium

Book review – Life in the Cosmos: From Biosignatures to Technosignatures

8-minute read

Are we alone in the universe? For the moment, this question remains unanswered, though there are many ways to tackle it. Just how many was something I did not appreciate until I sunk my teeth into Harvard University Press’s new flagship astronomy title Life in the Cosmos. Written by astrobiologist Manasvi Lingam and theoretical physicist Abraham “Avi” Loeb, this is a book of truly colossal proportions, clocking in at over 1000 pages. It boldly goes where few academic books have gone before by seriously and open-mindedly considering the possibility of extraterrestrial technological intelligence on par with, or far beyond humans. I found myself gravitating towards this book on account of more than just its size.

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Book review – Rates of Evolution: A Quantitative Synthesis

7-minute read

The question of the tempo of evolution cuts right to the heart of evolutionary theory. Emeritus professor in evolutionary biology (and a list of other disciplines) Philip D. Gingerich here takes an empirical stab at quantifying how fast evolution happens, something which has not been done very often. The resulting Rates of Evolution is a technical monograph for an academic audience that contains thought-provoking ideas.

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