60
aviation
× 3 |
0
quotes
× 2 |
0
donald-trump
|
0
marketing
|
60
mh17
× 2 |
0
safety
× 2 |
0
ecology
|
0
consumer-products
|
11
ebola
|
0
unemployment
|
0
water
|
0
medical-science
|
7
netherlands
× 6 |
0
security
|
0
plants
|
0
advertising
|
4
hacking
|
0
computers
|
0
history
|
0
russia
|
4
criminology
|
0
language
|
0
nutrition
|
0
nuclear-weapons
|
3
engineering
|
0
ethology
|
0
movies
|
0
military
|
0
united-states
× 7 |
0
zoology
|
0
beauty
|
0
vaccines
|
0
politics
× 4 |
0
video
|
0
body-modification
|
0
united-kingdom
|
