labels  weights                                           features
2        data  0.25502  data models methods analysis approach systems ...
6   political  0.07543  political social religious american cultural s...
8       human  0.05952  human theory moral account theology christian ...
1    literary  0.05586  literary texts history century works medieval ...
15     memory  0.04758  memory research relationship effects social st...
10    surface  0.04402  surface properties energy materials molecular ...
5     species  0.03578  species effects water environmental change cli...
11       flow  0.03256  flow pressure layer boundary surface plasma fi...
3       cells  0.03136  cells expression cancer role gene signaling di...
12    systems  0.02846  systems performance control energy networks co...
4   equations  0.02795  equations theory problem space problems order ...
14    binding  0.02742  binding proteins activity biological imaging m...
7        bone  0.02731  bone nuclear reaction energy mechanical proper...
0       ionic  0.02358  ionic uranyl metal reaction synthesis compound...
9     devices  0.02184  devices optical performance power current magn...
13       glia  0.00818  glia standard mass retinal surge coastal higgs...