SKU: 54403439135

The Last Unknowns: Deep, Elegant, Profound Unanswered Questions about the Universe, the Mind, the Future of Civilization, and the Meaning

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The Last Unknowns: Deep, Elegant, Profound Unanswered Questions about the Universe, the Mind, the Future of Civilization, and the MeaningDiscover the universe's last unknowns here are the unanswered questions that obsess the world's finest minds (The Guardian) Featuring a foreword by DANIEL KAHNEMAN, Nobel Prize winning author of Thinking, Fast and Slow This is a little book of profound questions (only questions ) unknowns that address the secrets of our world, our civilization, the meaning of life. Here are the deepest riddles that have fascinated, obsessed, and haunted the greatest

Discover the universe's last unknowns--here are the unanswered questions that obsess the world's finest minds (The Guardian)

Featuring a foreword by DANIEL KAHNEMAN, Nobel Prize-winning author of Thinking, Fast and Slow

This is a little book of profound questions (only questions )--unknowns that address the secrets of our world, our civilization, the meaning of life. Here are the deepest riddles that have fascinated, obsessed, and haunted the greatest thinkers of our time, including Nobel laureates, cosmologists, philosophers, economists, prize-winning novelists, religious scholars, and more than 250 leading scientists, artists, and theorists. In The Last Unknowns, John Brockman, publisher of Edge.org, asks a mind-blowing gathering of innovative thinkers (Booklist): What is 'The Last Question, ' your last question, the question for which you will be remembered?

Featuring the Pulitzer Prize-winning author of Guns, Germs, and Steel JARED DIAMOND - Nobel Prize-winning University of Chicago economist RICHARD THALER - Harvard psychologist STEVEN PINKER - religion scholar ELAINE PAGELS - author of Seven Brief Lessons on Physics CARLO ROVELLI - Booker Prize-winning novelist IAN McEWAN - neuroscientist SAM HARRIS - philosopher DANIEL C. DENNETT - MIT theorist SHERRY TURKLE - decoder of the human genome J. CRAIG VENTER - The Coddling of the American Mind author JONATHAN HAIDT - Nobel Prize-winning physicist FRANK WILCZEK - UC Berkeley psychologist ALISON GOPNICK - philosopher REBECCA NEWBERGER GOLDSTEIN - New York Times columnist CARL ZIMMER - MIT cosmologist MAX TEGMARK - Whole Earth founder STEWART BRAND - Marginal Revolution economist TYLER COWEN - Anatomy of Love author HELEN FISHER - Noble Prize-winning NASA physicist JOHN C. MATHER - psychologist JUDITH RICH HARRIS - Princeton physicist FREEMAN DYSON - musician BRIAN ENO - environmental scientist JENNIFER JACQUET - Duke economist DAN ARIELY - Oxford philosopher A. C. GRAYLING - Harvard cosmologist LISA RANDALL - anthropologist MARY CATHERINE BATESON - Emotional Intelligence author DANIEL GOLEMAN - Harvard genticist GEORGE CHURCH - Blueprint author NICHOLAS A. CHRISTAKIS - Stanford political scientist MARGARET LEVI - economist ALAN S. BLINDER - publisher TIM O'REILLY - theoretical cosmologist JANNA LEVIN - Serpentine Gallery owner HANS ULRICH OBRIST - Wired founding editor KEVIN KELLY - Cambridge astrophysicist MARTIN REES, and more than 200 others.




Binding Type: Paperback
Publisher: William Morrow & Company
Published: 06/04/2019
ISBN: 9780062897947
Pages: 352
Weight: 0.60lbs
Size: 7.20h x 5.00w x 0.90d

Review Citations: Publishers Weekly 04/08/2019
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SKU: 54403439135

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Kris Todd
San Leandro, US
★★★★★ 4
Clean, unharmful ingredients.
Size: Pack of 1, 4 Ounce, Set name: A. Probiotic - Citrus Mint
Good stuff. I had somekind of an allergic reaction to a chemical in it, as I do most toothpaste though. Whatever it is, strips the lining of the inside of my mouth. It wasn't as bad as some of the other's that I have used though. I need to find out what it is in the toothpastes that I use that does this, so I can stay away from it. Otherwise, I liked the taste and how good it cleaned my teeth.
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Reviewed in the United States on March 17, 2026
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Vlad
Louisville, US
★★★★★ 5
Fresh Taste and Super Clean Feeling
Size: Pack of 1, 4 Ounce, Set name: A. Probiotic - Citrus Mint, Size: Pack of 1, 4 Ounce, Set name: A. Probiotic - Citrus Mint
I’ve been using this toothpaste for a while now and just ordered my second tube. The citrus mint flavor is really — fresh but not overpowering. I also love that it’s safe for kids, so the whole family can use it. The fine particles leave my teeth feeling super clean and smooth, almost “squeaky clean” after brushing. It keeps my mouth feeling fresh for a long time and I’ve noticed much less plaque buildup throughout the day. Definitely one of the best fluoride-free toothpastes I’ve tried so far.
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Reviewed in the United States on May 29, 2026
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Amazon Customer
Massapequa, US
★★★★★ 5
Love, love, love!
Size: Pack of 1, 4 Ounce, Set name: A. Probiotic - Citrus Mint
I love this toothpaste! It has done an amazing job removing plaque. It has helped my sensitivity immediately and I am able to handle cold water or drinks again without any pain. I also love that this is a prebiotic toothpaste.
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Reviewed in the United States on May 30, 2026
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Nunya Bidness
Lowell, US
★★★★★ 5
Quality toothpaste with ingredients you can trust
Size: Pack of 1, 4 Ounce, Set name: B. Probiotic - Peppermint, Size: Pack of 1, 4 Ounce, Set name: B. Probiotic - Peppermint
Good toothpaste. It's a nice light scent/flavor. It's pleasant. My teeth feel fresh after using it. I'm excited to see the changes. I'll post a picture of my before and then I'll update in a few months of my after. I'm so grateful this is a natural product that focuses on replenishing rather than just scratching. I still wish it cost less, I mean 14 bucks for one toothpaste seems like a lot, but it's better than using toothpaste that's laced with poison so whatever. I hope one day they come down on their price. I like that the ingredients are quality.
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Reviewed in the United States on April 2, 2026
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Kerri C
Lexington, US
★★★★★ 5
Delicious Sugar-Free Lollipops That Kids (and Parents!) Love – Perfect Guilt-Free Treat!
Color: Fruit, Size: 3 Ounce (Pack of 1), Color: Fruit, Size: 3 Ounce (Pack of 1)
I absolutely love these Zolli Drops Sugar Free Candy with Xylitol! As a parent always looking for healthier snack options, these have become a staple in our house. They taste fantastic with their natural fruit flavors – my kids can’t even tell they’re sugar-free. The cherry, grape, and other fruit varieties are bright, flavorful, and not overly sweet or artificial tasting at all. What really sets these apart is the xylitol, which is dentist-approved and actually helps promote better oral health instead of harming teeth like regular candy. No more worrying about cavities after a treat! They’re also dye-free, keto-friendly, and perfect for diabetics, so the whole family can enjoy them without any blood sugar spikes or crashes. My diabetic family member says they’re a game-changer for satisfying a sweet tooth safely. The lollipops are well-made, last a good while, and come in a convenient 3 oz pack that’s easy to throw in a bag for on-the-go. They’re a hit with kids and adults alike – we’ve used them for rewards, parties, and just everyday treats. No melting issues, no mess, and the packaging keeps them fresh. If you’re looking for a clean, wholesome alternative to traditional candy, these are it. Highly recommend – we’ll definitely be buying more! 5 stars all the way.
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Reviewed in the United States on April 11, 2026

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