by Nessa Carey ‧ RELEASE DATE: March 6, 2012
An exhilarating exploration of an exciting new field, and a good gift for a bright biology student looking for a career...
British virologist Carey tackles epigenetics with a passion to explain a rapidly developing and complex field.
Early on the author reminds us that a surprising finding from human-genome research is that only two percent of the DNA in our cells codes for proteins used in the body. Though it was once fashionable to call the rest “junk” DNA, that’s not the case today. Some of this DNA is transcribed as “non-coding RNA” with various functions, and some codes for proteins that determine which genes are expressed and which genes are silent in a given cell type—a liver or a skin cell, for example—ensuring that when these cells divide, the daughter cells will be the same type. Epigenetics is the study of those DNA controls, the key players for which are proteins that attach methyl groups to selected parts of DNA and proteins that add acetyl groups to histones (proteins associated with DNA on chromosomes). None of these controls is evident when sperm meets egg and undergoes initial cell divisions, which explains why “embryonic stem cells” are prized for their ability to develop into any cell type. As Carey surveys the field, she dwells on early development as a critical period when environmental influences can affect epigenetic controls with long-term effects. Thus women pregnant in the first trimester in the infamous Dutch famine in World War II gave birth to offspring at increased risk for obesity as adults. Similarly, Carey explores epigenetic changes due to childhood abuse as contributing to stress-related illnesses in maturity. Epigenetic effects may also play a role in schizophrenia and chronic diseases, including cancer, and have already inspired new drugs to inhibit epigenetic controls. There is also fascinating research to explain, for example, why feeding honey-bee larvae royal jelly will turn them into queens and not sterile workers. Carey makes clear that debate and controversy attend this rapidly growing field, and she takes pains to explore alternate (non-epigenetic) explanations for various findings.
An exhilarating exploration of an exciting new field, and a good gift for a bright biology student looking for a career choice.Pub Date: March 6, 2012
ISBN: 978-0-231-16116-9
Page Count: 352
Publisher: Columbia Univ.
Review Posted Online: Feb. 19, 2012
Kirkus Reviews Issue: March 1, 2012
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by Lulu Miller illustrated by Kate Samworth ‧ RELEASE DATE: April 14, 2020
A quirky wonder of a book.
A Peabody Award–winning NPR science reporter chronicles the life of a turn-of-the-century scientist and how her quest led to significant revelations about the meaning of order, chaos, and her own existence.
Miller began doing research on David Starr Jordan (1851-1931) to understand how he had managed to carry on after the 1906 San Francisco earthquake destroyed his work. A taxonomist who is credited with discovering “a full fifth of fish known to man in his day,” Jordan had amassed an unparalleled collection of ichthyological specimens. Gathering up all the fish he could save, Jordan sewed the nameplates that had been on the destroyed jars directly onto the fish. His perseverance intrigued the author, who also discusses the struggles she underwent after her affair with a woman ended a heterosexual relationship. Born into an upstate New York farm family, Jordan attended Cornell and then became an itinerant scholar and field researcher until he landed at Indiana University, where his first ichthyological collection was destroyed by lightning. In between this catastrophe and others involving family members’ deaths, he reconstructed his collection. Later, he was appointed as the founding president of Stanford, where he evolved into a Machiavellian figure who trampled on colleagues and sang the praises of eugenics. Miller concludes that Jordan displayed the characteristics of someone who relied on “positive illusions” to rebound from disaster and that his stand on eugenics came from a belief in “a divine hierarchy from bacteria to humans that point[ed]…toward better.” Considering recent research that negates biological hierarchies, the author then suggests that Jordan’s beloved taxonomic category—fish—does not exist. Part biography, part science report, and part meditation on how the chaos that caused Miller’s existential misery could also bring self-acceptance and a loving wife, this unique book is an ingenious celebration of diversity and the mysterious order that underlies all existence.
A quirky wonder of a book.Pub Date: April 14, 2020
ISBN: 978-1-5011-6027-1
Page Count: 224
Publisher: Simon & Schuster
Review Posted Online: Jan. 1, 2020
Kirkus Reviews Issue: Feb. 1, 2020
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by Bill Bryson ‧ RELEASE DATE: May 6, 2003
Loads of good explaining, with reminders, time and again, of how much remains unknown, neatly putting the death of science...
Bryson (I'm a Stranger Here Myself, 1999, etc.), a man who knows how to track down an explanation and make it confess, asks the hard questions of science—e.g., how did things get to be the way they are?—and, when possible, provides answers.
As he once went about making English intelligible, Bryson now attempts the same with the great moments of science, both the ideas themselves and their genesis, to resounding success. Piqued by his own ignorance on these matters, he’s egged on even more so by the people who’ve figured out—or think they’ve figured out—such things as what is in the center of the Earth. So he goes exploring, in the library and in company with scientists at work today, to get a grip on a range of topics from subatomic particles to cosmology. The aim is to deliver reports on these subjects in terms anyone can understand, and for the most part, it works. The most difficult is the nonintuitive material—time as part of space, say, or proteins inventing themselves spontaneously, without direction—and the quantum leaps unusual minds have made: as J.B.S. Haldane once put it, “The universe is not only queerer than we suppose; it is queerer than we can suppose.” Mostly, though, Bryson renders clear the evolution of continental drift, atomic structure, singularity, the extinction of the dinosaur, and a mighty host of other subjects in self-contained chapters that can be taken at a bite, rather than read wholesale. He delivers the human-interest angle on the scientists, and he keeps the reader laughing and willing to forge ahead, even over their heads: the human body, for instance, harboring enough energy “to explode with the force of thirty very large hydrogen bombs, assuming you knew how to liberate it and really wished to make a point.”
Loads of good explaining, with reminders, time and again, of how much remains unknown, neatly putting the death of science into perspective.Pub Date: May 6, 2003
ISBN: 0-7679-0817-1
Page Count: 304
Publisher: Broadway
Review Posted Online: May 19, 2010
Kirkus Reviews Issue: April 1, 2003
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