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MONARCHS AND MILKWEED

A MIGRATING BUTTERFLY, A POISONOUS PLANT, AND THEIR REMARKABLE STORY OF COEVOLUTION

A lively, highly informative introduction to significant research in ecology that highlights the importance of conserving...

The relationship between monarch butterflies and milkweed plants, a story that is “much more…than bright coloration and a penchant for epic journeys.”

The monarch has an abiding fascination for scientists and nature lovers alike. An individual North America monarch may fly up to 3,000 miles from Mexico to Canada annually. Along the way, it will lay eggs on milkweed, which provide sustenance for the next generation of emerging caterpillars. Milkweed is toxic to sheep and horses but crucial to butterflies. Agrawal (Ecology, Evolutionary Biology, Entomology/Cornell Univ.) explains how the monarch and milkweed, both native to North America and likely dating back millions of years, “share a deep evolutionary history.” Their relationship is an example of “coevolution,” and the author shows how they “have spent millions of years evolving chemical traits and reciprocally coevolving in a manner that puts chemistry at the center of their arms race.” Birds that would otherwise feed on monarchs are made nauseous if the butterflies have fed on milkweed and therefore quickly learn to avoid them. In the course of their annual, cross-country flight, the monarchs lay their eggs on the plants, providing shelter, food, and safety for their caterpillars as they emerge. The author describes the extraordinary appetite of these monarch caterpillars, whose birth weight is comparable to that of a bread crumb but whose mass quickly increases more than 200 times in the first two weeks of its life. Over time, monarch butterflies have become impervious to the toxins released by milkweed to deter pests. In response, the plant has evolved an alternate strategy, releasing a blend of volatile compounds to attract wasps that feed on the caterpillars. As Agrawal accessibly demonstrates, this is exemplary of the arms race between predator and prey, which is an important driver of evolution.

A lively, highly informative introduction to significant research in ecology that highlights the importance of conserving our natural habitats.

Pub Date: April 4, 2017

ISBN: 978-0-691-16635-3

Page Count: 296

Publisher: Princeton Univ.

Review Posted Online: Feb. 1, 2017

Kirkus Reviews Issue: Feb. 15, 2017

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PILGRIM AT TINKER CREEK

This is our life, these are our lighted seasons, and then we die. . . . In the meantime, in between time, we can see. . . we can work at making sense of (what) we see. . . to discover where we so incontrovertibly are. It's common sense; when you-move in, you try to learn the neighborhood." Dillard's "neighborhood" is hilly Virginia country where she lived alone, but essentially it is all those "shreds of creation" with which every human is surrounded, which she is trying to learn, to know — from finite variations to infinite possibilities of being and meaning. A tall order and Dillard doesn't quite fill it. She is too impatient to get about the soul's adventures to stay long with an egg-laying grasshopper, or other bits of flora and fauna, and her snatches from physics and biological/metaphysical studies are this side of frivolous. However, Ms. Dillard has a great deal going for her — in spite of some repetition of words and concepts, her prose is bright, fresh and occasionally emulates (not imitates) the Walden Master in a contemporary context: "Trees. . . extend impressively in both directions, . . . shearing rock and fanning air, doing their real business just out of reach." She has set herself no less a task than understanding emotionally, spiritually and intellectually the force of the creative extravagance of the universe in all its beauty and horhor ("There is a terrible innocence in the benumbed world of the lower animals, reducing life to a universal chomp.") Experience can be focused, and awareness sharpened, by a kind of meditative high. Thus this becomes somewhat exhausting reading, if taken in toto, but even if Dillard's reach exceeds her grasp, her sights are leagues higher than that of Anne Morrow Lindbergh's Gift from the Sea, regretfully (re her sex), the inevitable comparison.

Pub Date: March 13, 1974

ISBN: 0061233323

Page Count: -

Publisher: Harper's Magazine Press

Review Posted Online: Nov. 2, 2011

Kirkus Reviews Issue: March 1, 1974

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THE RIGHT STUFF

Yes: it's high time for a de-romanticized, de-mythified, close-up retelling of the U.S. Space Program's launching—the inside story of those first seven astronauts.

But no: jazzy, jivey, exclamation-pointed, italicized Tom Wolfe "Mr. Overkill" hasn't really got the fight stuff for the job. Admittedly, he covers all the ground. He begins with the competitive, macho world of test pilots from which the astronauts came (thus being grossly overqualified to just sit in a controlled capsule); he follows the choosing of the Seven, the preparations for space flight, the flights themselves, the feelings of the wives; and he presents the breathless press coverage, the sudden celebrity, the glorification. He even throws in some of the technology. But instead of replacing the heroic standard version with the ring of truth, Wolfe merely offers an alternative myth: a surreal, satiric, often cartoony Wolfe-arama that, especially since there isn't a bit of documentation along the way, has one constantly wondering if anything really happened the way Wolfe tells it. His astronauts (referred to as "the brethren" or "The True Brothers") are obsessed with having the "right stuff" that certain blend of guts and smarts that spells pilot success. The Press is a ravenous fool, always referred to as "the eternal Victorian Gent": when Walter Cronkite's voice breaks while reporting a possible astronaut death, "There was the Press the Genteel Gent, coming up with the appropriate emotion. . . live. . . with no prompting whatsoever!" And, most off-puttingly, Wolfe presumes to enter the minds of one and all: he's with near-drowing Gus Grissom ("Cox. . . That face up there!—it's Cox. . . Cox knew how to get people out of here! . . . Cox! . . ."); he's with Betty Grissom angry about not staying at Holiday Inn ("Now. . . they truly owed her"); and, in a crude hatchet-job, he's with John Glenn furious at Al Shepard's being chosen for the first flight, pontificating to the others about their licentious behavior, or holding onto his self-image during his flight ("Oh, yes! I've been here before! And I am immune! I don't get into corners I can't get out of! . . . The Presbyterian Pilot was not about to foul up. His pipeline to dear Lord could not be clearer"). Certainly there's much here that Wolfe is quite right about, much that people will be interested in hearing: the P-R whitewash of Grissom's foul-up, the Life magazine excesses, the inter-astronaut tensions. And, for those who want to give Wolfe the benefit of the doubt throughout, there are emotional reconstructions that are juicily shrill.

But most readers outside the slick urban Wolfe orbit will find credibility fatally undermined by the self-indulgent digressions, the stylistic excesses, and the broadly satiric, anti-All-American stance; and, though The Right Stuff has enough energy, sass, and dirt to attract an audience, it mostly suggests that until Wolfe can put his subject first and his preening writing-persona second, he probably won't be a convincing chronicler of anything much weightier than radical chic.

Pub Date: Sept. 24, 1979

ISBN: 0312427565

Page Count: 370

Publisher: Farrar, Straus and Giroux

Review Posted Online: Oct. 13, 2011

Kirkus Reviews Issue: Sept. 1, 1979

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