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242

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201

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179

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165

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139

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139

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137

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129

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124

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119

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109

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108

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106

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72

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71

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71

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70

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62

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60

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59

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58

Mathematicians discover new class of shape seen throughout nature

58

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55

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52

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43

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40

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38

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37

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36

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32

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30

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25

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24

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21

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21

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19

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18

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16

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15

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13

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13

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12

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12

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11

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10

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10

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8

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8

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7

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5

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5

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4

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4

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4

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3

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3

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3

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2

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2

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2

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2

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1

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1

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1

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1

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