Mathematica: A Secret World of Intuition and Curio

Mathematica: A Secret World of Intuition and Curio

Marsoni

M251S

$20.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Mathematica: A Secret World of Intuition and CurioA fascinating look into how the transformative joys of mathematical experience are available to everyone, not just specialists Math has a reputation for being inaccessible. People think that it requires a special gift or that comprehension is a matter of genes. Yet the greatest mathematicians throughout history, from Ren Descartes to Alexander Grothendieck, have insisted that this is not the case. Like Albert Einstein, who famously claimed to have no

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BAD PRODUCT. DO NOT BUY THESE FOR YOUR DOG. They are made mostly of POLYPROPYLENE PLASTIC. It even says on the package - "CAUTION: Product is not intended to be eaten or ingested. If you believe your pet has swallowed a piece, please take away and contact veterinarian if needed. Our dachshund went to town on one of these and had diarrhea for two days and cost us several hundred dollars in vet bills to do x-rays and medicine for the poor dog. What do you think a dog is going to do with a dog chew? Just find another product. This one isn't worth it.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 26, 2026

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Lizy Bean

Grantham, US

★★★★★ 5

It'll only last a week

Size: 5 Inch, Color: Classic Bone, Size: 5 Inch, Color: Classic Bone

We've only had it a few days and she's already half way through it. It won't last the week. She doesn't eat it, she spits out the pieces. If you buy it was a consumable, totally worth the money. I'll probably buy my power chewer a couple a month

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Reviewed in the United States on December 13, 2025

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Ginny from AZ

Boise, US

★★★★★ 5

Good product

Size: 8 Inch, Color: Tree Branch

Dogs loved it. Good for keeping teeth clean

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Reviewed in the United States on May 30, 2026

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Frank

Louisville, US

★★★★★ 5

Dog loves these over any competition.

Size: 8 Inch, Color: Tree Branch

Minnie Aussie can chew these down to a stub but takes lots of work and totally takes her stress away. Only kind I'm buying in different varieties. Yes I've tried them all for my aggressive chewer and these have been the best. I've gone through a lot of these but are lasting about week with supervision. Make sure your buddy has plenty of water and give them in 1/2 hr increments.

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Reviewed in the United States on May 31, 2026

Verified Purchase

jason

Boise, US

★★★★★ 4

Good purchase, dog loved it, lasted months

Size: 8 Inch, Color: Tree Branch

My dog loved it, took several months before she destroyed it. I did eventually have to throw it out because she managed to start breaking pieces off and eating it.

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Reviewed in the United States on January 4, 2026