252
6
2
231
0
2
414
0
2
122
0
2
397
0
2
501
1
2
164
0
2
250
0
1
240
0
1
201
0
1
114
0
1
59
0
1
232
0
1
86
0
1
392
0
1
128
0
1
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Keyword(s): #science