Tag Archives: cosmos

Broca’s Brain – Carl Sagan

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Broca’s Brain

Reflections on the Romance of Science

Carl Sagan

Genre: Science & Nature

Price: $1.99

Publish Date: April 12, 1979

Publisher: Random House Publishing Group

Seller: Penguin Random House LLC


A fascinating book on the joys of discovering how the world works, by the Pulitzer Prize–winning author of Cosmos and Shadows of Forgotten Ancestors. “Magnificent . . . Delightful . . . A masterpiece. A message of tremendous hope for humanity . . . While ever conscious that human folly can terminate man’s march into the future, Sagan nonetheless paints for us a mind-boggling future: intelligent robots, the discovery of extraterrestrial life and its consequences, and above all the challenge and pursuit of the mystery of the universe.” — Chicago Tribune “Go out and buy this book, because Carl Sagan is not only one of the world’s most respected scientists, he’s a great writer. . . . I can give a book no greater accolade than to say I’m planning on reading it again. And again. And again.” — The Miami Herald “The brilliant astronomer . . . is persuasive, provocative and readable.” — United Press International “Closely reasoned, impeccably researched, gently humorous, utterly devastating.” — The Washington Post

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Broca’s Brain – Carl Sagan

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Einstein’s Cosmos: How Albert Einstein’s Vision Transformed Our Understanding of Space and Time (Great Discoveries) – Michio Kaku

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Einstein’s Cosmos: How Albert Einstein’s Vision Transformed Our Understanding of Space and Time (Great Discoveries)
Michio Kaku

Genre: Physics

Price: $1.99

Publish Date: May 17, 2005

Publisher: W. W. Norton & Company

Seller: W. W. Norton


“A fresh and highly visual tour through Einstein’s astonishing legacy.” —Brian Greene There’s no better short book that explains just what Einstein did than Einstein’s Cosmos. Keying Einstein’s crucial discoveries to the simple mental images that inspired them, Michio Kaku finds a revealing new way to discuss his ideas, and delivers an appealing and always accessible introduction to Einstein’s work.

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Einstein’s Cosmos: How Albert Einstein’s Vision Transformed Our Understanding of Space and Time (Great Discoveries) – Michio Kaku

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A Fortunate Universe – Geraint F. Lewis, Luke A. Barnes & Brian Schmidt

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A Fortunate Universe

Life in a Finely Tuned Cosmos

Geraint F. Lewis, Luke A. Barnes & Brian Schmidt

Genre: Physics

Price: $22.99

Publish Date: September 22, 2016

Publisher: Cambridge University Press

Seller: Cambridge University Press (Books)


Over the last forty years, scientists have uncovered evidence that if the Universe had been forged with even slightly different properties, life as we know it – and life as we can imagine it – would be impossible. Join us on a journey through how we understand the Universe, from its most basic particles and forces, to planets, stars and galaxies, and back through cosmic history to the birth of the cosmos. Conflicting notions about our place in the Universe are defined, defended and critiqued from scientific, philosophical and religious viewpoints. The authors' engaging and witty style addresses what fine-tuning might mean for the future of physics and the search for the ultimate laws of nature. Tackling difficult questions and providing thought-provoking answers, this volumes challenges us to consider our place in the cosmos, regardless of our initial convictions.

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A Fortunate Universe – Geraint F. Lewis, Luke A. Barnes & Brian Schmidt

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Neil deGrasse Tyson Tells GMO Critics to “Chill Out”

Mother Jones

Cosmos star Neil deGrasse Tyson is known for defending climate science and the science of evolution. And now, in a video recently posted on YouTube (the actual date when it was recorded is unclear), he takes a strong stand on another hot-button scientific topic: Genetically modified foods.

In the video, Tyson can be seen answering a question posed in French about “des plantes transgenetiques”—responding with one of his characteristic, slowly-building rants.

“Practically every food you buy in a store for consumption by humans is genetically modified food,” asserts Tyson. “There are no wild, seedless watermelons. There’s no wild cows…You list all the fruit, and all the vegetables, and ask yourself, is there a wild counterpart to this? If there is, it’s not as large, it’s not as sweet, it’s not as juicy, and it has way more seeds in it. We have systematically genetically modified all the foods, the vegetables and animals that we have eaten ever since we cultivated them. It’s called artificial selection.” You can watch the full video above.

In fairness, critics of GM foods make a variety of arguments that go beyond the simple question of whether the foods we eat were modified prior to the onset of modern biotechnology. They also draw a distinction between modifying plants and animals through traditional breeding and genetic modification that requires the use of biotechnology, and involves techniques such as inserting genes from different species.

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Neil deGrasse Tyson Tells GMO Critics to “Chill Out”

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Yes, "Cosmos" Fans, Creationists Also Deny the Science of Comets

Mother Jones

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Last night, Fox’s Cosmos series yet again waded into a bizarre politico-scientific controversy. This time, though, it wasn’t about evolution, or climate change, or even the Big Bang.

No. This time, it was about comets.

The Cosmos episode was about what comets are, and why they are not, as humanity believed until quite recently, evil omens. Before the age of science, explained host Neil deGrasse Tyson, “comets were portents of doom” across cultures. Tyson also pointed out that the word “disaster” itself means “bad star” in Greek. The show then dove into the history of science to tell the story of Edmund Halley, who realized how comets work and that the comet that now bears his name returns roughly every 75 years (most recently in 1986; next up, 2061). Halley also inspired Sir Isaac Newton to publish what may be the most important book ever in the history of science, the Principia Mathematica.

So why does the science of comets irk some creationists?

Edmund Halley and Isaac Newton hanging out on Cosmos Fox

To understand that, you first need to understand that Young Earth creationists don’t just deny the science of evolution; they deny all science that suggests that either our planet or anything else in the universe is more than a few thousand years old. That includes comets, of course, many of which are not exactly young.

On the latest Cosmos, Tyson explained that some comets come from the Oort Cloud, an extremely distant region of icy bodies far beyond Pluto, but still in orbit around our sun. There are as many as 2 trillion of these frozen objects, and occasionally, one will get knocked off its course and travel on a very long journey into the inner part of the solar system. As an object nears the sun and heats up, the sublimation of ice and gases give it a tail, and if it is close enough to Earth, we see it as a comet. Other comets, meanwhile, come from the Kuiper Belt, the neighborhood of Pluto, which also contains a huge number of icy bodies.

But here’s the problem for creationists: According to NASA, “The objects in the Oort Cloud and in the Kuiper Belt are presumed to be remnants from the formation of the solar system about 4.6 billion years ago.” The Oort Cloud extends from about 5,000 to 100,000 astronomical units (AU) from the sun, according to NASA, where each AU is equal to the distance between Earth and the sun, or 93 million miles. That means that it also takes these comets very long periods of time to travel into the inner solar system, earning them the name of “long-period comets.”

Comets that are vastly older than creationists believe all of creation to be present a bit of a problem. Hence, if you visit the website of creationist Ken Ham’s Answers in Genesis and search for “Oort Cloud,” you will find multiple articles providing a creationist take on the origins and nature of comets. In one of them you will find the assertion that there is “zero observational evidence that the Oort cloud exists,” followed later by this observation: “but if the solar system is only thousands of years old, as God’s Word clearly teaches, there is no problem.” In another article, you get this:

Actually the Oort cloud, like Peter Pan’s Neverland, has never been observed. The Oort cloud was imagined to provide a birthplace for new comets, since comets like ISON could not exist in a billions-of-years-old universe without some renewable source. The Oort cloud is thus a convenient fiction, but a fiction nonetheless.

In other words, the problem for creationists is the idea that comets are ancient and are sometimes traveling vast distances, from the Oort Cloud, into the inner solar system, a journey that would take a huge amount of time. Now you see why the Oort Cloud is such a threat to their worldview.

Fox

But of course, creationists are wrong, wrong, wrong. If you want an extensive rebuttal of creationist claims about comets, go here. The gist: We have plenty of evidence for the existence of both the Oort Cloud and, especially, of the Kuiper Belt. The Oort Cloud is more distant and dark, and not easily observed. However, notes one NASA site, it is “the best theory to explain how long-period comets exist.”

Anyway, it’s not as if creationists are denying the existence of the Oort Cloud after a careful consideration of the evidence. Rather, they start from an impossible theory, and then dismiss evidence inconsistent with it. What’s truly sad is the smallness of the universe that therefore results.

UPDATE: We got a comment from astronomer and Slate blogger Phil Plait about creationists and comets (and how wrong the former are about the latter). Here it is, in its entirety:

One of the funny things about believing the Earth is young is that sometimes there’s a consistent internal logic to it. That doesn’t mean it’s right, just that it’s self-contained. In this case, astronomers see comets coming in every few months from deep space. We assume there has to be a repository of billions or trillions of them out there, or else we would’ve run out of them long, long ago — that’s because we assume the Earth is old, billions of years old. So the Oort Cloud is where we think those comets are. If you assume the Earth is 6000 years old, you don’t need an Oort cloud to supply you with comets, so some creationists deny it exists.

Problem is, if the Oort cloud is there, then the physics of it demands there should be an intermediate population, out just past Neptune; thousands or millions of icy bodies a few miles across. And lo, we found it: the Kuiper Belt. Quite a few denizens of it have been seen.

So once again, science was right, and creationism wrong. The Earth is old, the Kuiper belt exists, and the Oort Cloud must as well. But somehow I don’t think this rock-solid proof of science will change any creationists’ minds, any more than the thousands of other such pieces of evidence routinely denied by those who feel that reality must bend to belief, and not the other way around.

On a recent episode of the Inquiring Minds podcast, we were thrilled to host Cosmos‘ Tyson, who explained why he doesn’t debate science deniers; you can listen here (interview starts around minute 13):

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Yes, "Cosmos" Fans, Creationists Also Deny the Science of Comets

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Neil deGrasse Tyson on Cosmos, How Science Got Cool, and Why He Doesn’t Debate Deniers

Mother Jones

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Last Sunday’s debut of Cosmos, the rebooted series from Fox and National Geographic, made television history. According to National Geographic, it was the largest global rollout of a TV series ever, appearing on 220 channels in 181 countries and 45 languages. And, yes, this is a science show we’re talking about. You will have to actively resist the force of gravity in order to lift up your dropped jaw and restore a sense of calm to your stunned face.

At the center of the show is the “heir apparent” to legendary science popularizer and original Cosmos host Carl Sagan: the impassioned astrophysicist Neil deGrasse Tyson, who appeared on this week’s episode of the Inquiring Minds podcast to talk about what it’s like to fill Sagan’s shoes (stream below). On the podcast, Tyson discussed topics ranging from what we know now about the cosmos that Sagan didn’t (top three answers: dark matter and dark energy, the profusion of discovered exoplanets, and the concept of parallel universes, or the “multiverse”) to why science seems to have gotten so super-cool again. After all, not only has Cosmos garnered such a reach, but The Big Bang Theory is currently the number one comedy on TV.

“I wake up every morning saying, ‘How did I get 1.7 million Twitter followers?'” Tyson joked while discussing science’s newfound popularity. “Should I remind them that I’m an astrophysicist? Maybe I should tell them, ‘Folks, I’m an astrophysicist. Alright? Escape now.'”

Thanks in part to Cosmos, Tyson is arguably the single most visible public face of science in America today. And as such, he may have to walk a difficult line. Many science defenders want Cosmos to do nothing less than restore our national sanity by smiting all science denial, especially when it comes to the issues of evolution and global warming. It’s an impossible task, but the theme was nonetheless quite apparent at a November Library of Congress gala dedicating Carl Sagan’s papers, where Cosmos producer Seth MacFarlane denounced science’s “politicization on steroids,” and Cosmos writer Steven Soter remarked that Sagan would have been “appalled” by today’s attacks on climate scientists.

Carl Sagan himself often took strong stands on science-based political issues of the day. He clashed with the Reagan administration over arms control and the “Star Wars” program, and the debate over his ideas about “nuclear winter” served as a kind of preview of the current battle over global warming. Sagan also openly debated pseudoscientists like Immanuel Velikovsky, who posited that the planet Venus had started out as a comet ejected by Jupiter, and had caused various events described in the Bible on its way to its current position. Indeed, Sagan even took on Velikovsky in the fourth episode of the original Cosmos, explaining in depth why his ideas were wrong.

By contrast, Tyson made clear on Inquiring Minds that he does not plan to follow in Sagan’s footsteps in this respect (or for that matter, those of Bill Nye the Science Guy, who went straight into the creationists’ den to debate evolution last month, and was faulted by some for doing so). “Carl Sagan would debate people on all manner of issues,” said Tyson. “And I don’t have the time or the energy or the interest in doing so. As an educator, I’d rather just get people thinking straight in the first place, so I don’t have to then debate them later on.” (To be sure, Tyson has on occasion been drawn into such debates in the past.)

Neil Tyson and a universe. Fox

The deniers, of course, are already out in force over the new Cosmos, whose first episode brought up both evolution and global warming, and whose future episodes will tackle human evolution in greater depth. At the creationist website Answers in Genesis, one writer even goes so far as to dispute the show’s treatment of the Big Bang, writing, “The big bang model is unable to explain many scientific observations, but this is of course not mentioned.”

Tyson certainly has plenty of criticism for those who would deny science. “I claim that all those who think they can cherry pick science simply don’t understand how science works,” he explained on the podcast. “That’s what I claim. And if they did, they’d be less prone to just assert that somehow scientists are clueless.”

But at the same time, and unlike many science champions (such as the biologist Richard Dawkins), Tyson is quite careful not to pit science against religion. For instance, the first episode of the new Cosmos tells the story of Giordano Bruno, an Italian monk who was persecuted and ultimately burned at the stake by the Inquisition over his ideas about the universe, including the notion that there are an infinite number of suns and worlds beyond our own. Some have argued that to tell this story is in effect to pick a fight over science and religion, but Tyson counters that “Giordano Bruno himself was a deeply religious person. In fact, you could argue that he was more religious than the people prosecuting him.”

The stance of Cosmos, Tyson emphasizes, is not anti-religion but anti-dogma: “Any time you have a doctrine where that is the truth that you assert, and that what you call the truth is unassailable, you’ve got doctrine, you’ve got dogma on your hands. And so Cosmos is…an offering of science, and a reminder that dogma does not advance science; it actually regresses it.”

In other words, Tyson’s view appears to be that in an age rife with science denial, Cosmos rises above that fray by instilling in us wonder about the nature of the cosmos and our quest to understand it. And given the breathtaking quality and stunningly wide distribution of the show, there’s much to say for that approach. Every time you pick a fight, whether over climate change or over evolution or over religion, you lose some of the audience (even as you fire up another part of it).

The “ship of the imagination” sails through the cosmos, on Cosmos. Fox.

In the end, however, scientific knowledge, and wanting to do something about the problems that science reveals, are inseparable. And as soon as you want to change something in the world because of science, you inevitably run up against interests, emotions, and denial.

Global warming is the case in point: Just as Carl Sagan worried about nuclear holocaust because of science, so we today worry about the planet’s steady warming. Indeed, that kind of thinking is central to the Cosmos legacy. Asked on the podcast about the warming of the planet, Tyson explained the ultimate message of Cosmos: “You are equipped and empowered with this cosmic perspective, achieved by the methods and tools of science, applied to the universe. And are you going to be a good shepherd, or a bad shepherd? Are you going to use your wisdom to protect civilization, or will you go at it in a shortsighted enough way to either destroy it, or be complicit in its destruction? If you can’t bring your scientific knowledge to bear on those kinds of decisions, then why even waste your time?”

So in the end, we should all thank Tyson—as well as Fox, National Geographic, and the show’s many writers and producers—for making the new Cosmos happen. It will contribute immeasurably to the appreciation of science in America and beyond. It will make kids think harder about pursuing science careers by showing them that the cosmos is intensely awesome, and the act of understanding it is downright heroic. But, can it ultimately stay above the political fray?

Maybe in some universes.

To listen to the full podcast interview with Neil deGrasse Tyson, you can stream below:

This episode of Inquiring Minds, a podcast hosted by neuroscientist and musician Indre Viskontas and best-selling author Chris Mooney, also features a discussion of whether bringing extinct species back to life is a good idea, and of new research suggesting that climate change contributed to the rise of Genghis Khan.

To catch future shows right when they are released, subscribe to Inquiring Minds via iTunes or RSS. We are also available on Stitcher and on Swell. You can follow the show on Twitter at @inquiringshow and like us on Facebook. Inquiring Minds was also recently singled out as one of the “Best of 2013″ on iTunes—you can learn more here.

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Neil deGrasse Tyson on Cosmos, How Science Got Cool, and Why He Doesn’t Debate Deniers

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