A thoughtful examination of the role of aging and death in supporting life.
An advancement of the challenging theory that, along with growth and puberty, aging also unfolds “on a schedule programmed into the regulatory portion of our DNA.”
At first glance, this would appear to contradict “the fundamental premise of Darwinian evolution,” survival of the fittest, the principle of natural selection epitomized by the “selfish gene,” a term coined by Richard Dawkins in The Selfish Gene (1976). Theoretical biologist Mitteldorf and ecological philosopher Sagan (Cosmic Apprentice: Dispatches from the Edges of Science, 2013, etc.) make a convincing case for broadening the generally accepted neo-Darwinian framework, which incorporates the role of the genome in shaping the individual, to include species evolution and the relationship between individual survival and survival of the ecosystem on which it depends. They address the seeming paradox that “genes for aging have been fixed in the genome, despite the fact that these genes work against themselves.” By limiting the reproductive potential of the aging individual, they play an important role in evolution. The authors contend that death and aging are crucial to the existence of “stable ecosystems in nature.” Without them, unchecked reproduction would lead to major extinction events and the destruction of ecosystems. Mitteldorf and Sagan suggest that aging and death have evolved to moderate what might otherwise be untrammeled reproduction by predators, leading to the destruction of their prey and their own extinction. Natural selection operates to create a balance between longer life expectancy and greater fertility. Death and aging play a necessary role by regulating population growth in order to create the space for “populations of living things to evolve rapidly and efficiently.” This leads the authors to the provocative conclusion that if we accept the goal of increasing longevity and the long-term survival of the human species, we must also accept the idea of zero population growth.
A thoughtful examination of the role of aging and death in supporting life.Pub Date: June 14, 2016
ISBN: 978-1-250-06170-6
Page Count: 336
Publisher: Flatiron Books
Review Posted Online: April 6, 2016
Kirkus Reviews Issue: May 1, 2016
These platitudes need perspective; better to buy the books they came from.
A lightweight collection of self-help snippets from the bestselling author.
What makes a quote a quote? Does it have to be quoted by someone other than the original author? Apparently not, if we take Strayed’s collection of truisms as an example. The well-known memoirist (Wild), novelist (Torch), and radio-show host (“Dear Sugar”) pulls lines from her previous pages and delivers them one at a time in this small, gift-sized book. No excerpt exceeds one page in length, and some are only one line long. Strayed doesn’t reference the books she’s drawing from, so the quotes stand without context and are strung together without apparent attention to structure or narrative flow. Thus, we move back and forth from first-person tales from the Pacific Crest Trail to conversational tidbits to meditations on grief. Some are astoundingly simple, such as Strayed’s declaration that “Love is the feeling we have for those we care deeply about and hold in high regard.” Others call on the author’s unique observations—people who regret what they haven’t done, she writes, end up “mingy, addled, shrink-wrapped versions” of themselves—and offer a reward for wading through obvious advice like “Trust your gut.” Other quotes sound familiar—not necessarily because you’ve read Strayed’s other work, but likely due to the influence of other authors on her writing. When she writes about blooming into your own authenticity, for instance, one is immediately reminded of Anaïs Nin: "And the day came when the risk to remain tight in a bud was more painful than the risk it took to blossom.” Strayed’s true blossoming happens in her longer works; while this collection might brighten someone’s day—and is sure to sell plenty of copies during the holidays—it’s no substitute for the real thing.
These platitudes need perspective; better to buy the books they came from.Pub Date: Nov. 1, 2015
ISBN: 978-1-101-946909
Page Count: 160
Publisher: Knopf
Review Posted Online: Aug. 15, 2015
Kirkus Reviews Issue: Sept. 1, 2015
Readers unfamiliar with the anecdotal material Greene presents may find interesting avenues to pursue, but they should...
Greene (The 33 Strategies of War, 2007, etc.) believes that genius can be learned if we pay attention and reject social conformity.
The author suggests that our emergence as a species with stereoscopic, frontal vision and sophisticated hand-eye coordination gave us an advantage over earlier humans and primates because it allowed us to contemplate a situation and ponder alternatives for action. This, along with the advantages conferred by mirror neurons, which allow us to intuit what others may be thinking, contributed to our ability to learn, pass on inventions to future generations and improve our problem-solving ability. Throughout most of human history, we were hunter-gatherers, and our brains are engineered accordingly. The author has a jaundiced view of our modern technological society, which, he writes, encourages quick, rash judgments. We fail to spend the time needed to develop thorough mastery of a subject. Greene writes that every human is “born unique,” with specific potential that we can develop if we listen to our inner voice. He offers many interesting but tendentious examples to illustrate his theory, including Einstein, Darwin, Mozart and Temple Grandin. In the case of Darwin, Greene ignores the formative intellectual influences that shaped his thought, including the discovery of geological evolution with which he was familiar before his famous voyage. The author uses Grandin's struggle to overcome autistic social handicaps as a model for the necessity for everyone to create a deceptive social mask.
Readers unfamiliar with the anecdotal material Greene presents may find interesting avenues to pursue, but they should beware of the author's quirky, sometimes misleading brush-stroke characterizations.Pub Date: Nov. 13, 2012
ISBN: 978-0-670-02496-4
Page Count: 320
Publisher: Viking
Review Posted Online: Sept. 12, 2012
Kirkus Reviews Issue: Oct. 1, 2012
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