37K views · 8.4K reactions | most vs least popular subway sandwich! 索 @subway #subwaysandwiches #subwaysandwich #subwayeatfresh #foodchallenge #fastfoodreview | Kelsie | Facebook

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Inside History on Instagram: "Follow (us) @InsideHistory to learn something NEW everyday 🧠💫 A mathematician delves into the fascinating mystery of the number 6174, known as Kaprekar’s constant. This seemingly ordinary number hides a remarkable property: when you take any four-digit number (with at least two different digits), rearrange its digits in descending and ascending order, then subtract the smaller number from the larger one, you’ll always arrive at 6174 after a few iterations. Once yo

31K views · 781 reactions | We’re torn. . All the time. . Do we hope for the best and try or just take the path of least resistance? . It’s never an easy choice. . #understandingautism #autismawareness #autismacceptance #autism #siblings | Erin Kiernan | Facebook