Seventeen interesting chains found.

CHAIN 1    LENGTH 8 REPETITION 0.875 SCORE 7.0
neutrino 8

CHAIN 2    LENGTH 6 REPETITION 0.8333333 SCORE 5.0
juan-i.-collar 1 collar 5

CHAIN 3    LENGTH 5 REPETITION 0.6 SCORE 3.0
tissue 2 atom 3

CRITERION 2.2061448

CHAIN 4    LENGTH 4 REPETITION 0.5 SCORE 2.0
asteroid 2 earth 2

CHAIN 5    LENGTH 2 REPETITION 0.5 SCORE 1.0
star 2

CHAIN 6    LENGTH 2 REPETITION 0.5 SCORE 1.0
specie 2

CHAIN 7    LENGTH 3 REPETITION 0.3333333 SCORE 0.99999994
figure 1 one 2

CHAIN 8    LENGTH 2 REPETITION 0.0 SCORE 0.0
war 1 neutrino-bombardment 1

CHAIN 9    LENGTH 2 REPETITION 0.0 SCORE 0.0
body 1 matter 1

CHAIN 10    LENGTH 2 REPETITION 0.0 SCORE 0.0
evidence 1 theory 1

CHAIN 11    LENGTH 2 REPETITION 0.0 SCORE 0.0
leave-hope 1 consternation 1

CHAIN 12    LENGTH 2 REPETITION 0.0 SCORE 0.0
occasion 1 form 1

CHAIN 13    LENGTH 3 REPETITION 0.0 SCORE 0.0
adult 1 animal 1 mutation 1

CHAIN 14    LENGTH 2 REPETITION 0.0 SCORE 0.0
extinction 1 collapse 1

CHAIN 15    LENGTH 2 REPETITION 0.0 SCORE 0.0
presence 1 feature 1

CHAIN 16    LENGTH 2 REPETITION 0.0 SCORE 0.0
tumor 1 cancer 1

CHAIN 17    LENGTH 3 REPETITION 0.0 SCORE 0.0
quantity 1 space 1 couple-dozen-light 1