IMPACT!

THE THREAT OF COMETS AND ASTEROIDS

Verschuur, an astronomer (Hidden Attraction, 1993), offers a detailed and alarming account of the meteors and comets that have struck the Earth in the past, with devastating consequences, and reminds us that such disasters are likely to reoccur. He begins his account in 1980 with the discovery of an anomalous concentration of the element iridium at the geological boundary between the Cretaceous and Tertiary eras—the point at which the dinosaurs became extinct. Rare on Earth, iridium is far more common in comets and meteors; this discovery led to the theory that a massive comet striking the earth with the impact of 20 million hydrogen bombs led to the death of the dinosaurs. At first reluctant to accept the concept, many geologists were eventually brought around by the discovery of a massive impact crater near Yucat†n. Verschuur then examines both the geological and astronomical evidence for frequent large impacts: the presence of other craters on Earth (145 had been identified by 1995), the prevalence of craters on other bodies of the solar system, the large number of astronomical bodies in near-Earth orbits, historical accounts of comet or meteor impacts. Verschuur places great emphasis on the possibility of a large, devastating strike in the near future. He also gives particular attention to the consequences of an ocean impact (in fact, the most likely scenario), with huge tsunamis crashing hundreds of miles inland. And he considers courses of action we might take, emphasizing a program to detect (and possibly deflect) the menaces from space. Verschuur argues that we should seriously entertain the prospect of moving some of Earth's population off the planet, to allow the human race to survive an unpreventable large strike. Occasionally overblown, often jumpy in its organization, this is nonetheless a strong treatment of one of the key scientific discoveries of our time. (40 halftones, 3 linecuts, not seen)

Pub Date: Sept. 1, 1996

ISBN: 0-19-510105-7

Page Count: 224

Publisher: Oxford Univ.

Review Posted Online: May 20, 2010

Kirkus Reviews Issue: July 15, 1996

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Loads of good explaining, with reminders, time and again, of how much remains unknown, neatly putting the death of science...

A SHORT HISTORY OF NEARLY EVERYTHING

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 20, 2010

Kirkus Reviews Issue: April 1, 2003

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A tiny book, not much bigger than a pamphlet, with huge potential impact.

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NO ONE IS TOO SMALL TO MAKE A DIFFERENCE

A collection of articulate, forceful speeches made from September 2018 to September 2019 by the Swedish climate activist who was nominated for a Nobel Peace Prize.

Speaking in such venues as the European and British Parliaments, the French National Assembly, the Austrian World Summit, and the U.N. General Assembly, Thunberg has always been refreshingly—and necessarily—blunt in her demands for action from world leaders who refuse to address climate change. With clarity and unbridled passion, she presents her message that climate change is an emergency that must be addressed immediately, and she fills her speeches with punchy sound bites delivered in her characteristic pull-no-punches style: “I don’t want you to be hopeful. I want you to panic. I want you to feel the fear I feel every day. And then I want you to act.” In speech after speech, to persuade her listeners, she cites uncomfortable, even alarming statistics about global temperature rise and carbon dioxide emissions. Although this inevitably makes the text rather repetitive, the repetition itself has an impact, driving home her point so that no one can fail to understand its importance. Thunberg varies her style for different audiences. Sometimes it is the rousing “our house is on fire” approach; other times she speaks more quietly about herself and her hopes and her dreams. When addressing the U.S. Congress, she knowingly calls to mind the words and deeds of Martin Luther King Jr. and John F. Kennedy. The last speech in the book ends on a note that is both challenging and upbeat: “We are the change and change is coming.” The edition published in Britain earlier this year contained 11 speeches; this updated edition has 16, all worth reading.

A tiny book, not much bigger than a pamphlet, with huge potential impact.

Pub Date: Nov. 26, 2019

ISBN: 978-0-14-313356-8

Page Count: 112

Publisher: Penguin

Review Posted Online: Nov. 3, 2019

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