Physics & Astronomy
deserts
85%
asphalt
84%
lakes
63%
hydrocarbons
56%
Trinidad and Tobago
53%
seepage
37%
mud
33%
liquids
31%
bacteria
25%
biogeochemistry
24%
oils
21%
tars
17%
volcanoes
17%
ecology
17%
nitrites
16%
chemical compounds
16%
Titan
15%
biomass
15%
metabolism
14%
natural satellites
14%
crude oil
14%
Saturn
14%
genes
14%
matrices
13%
markers
13%
sulfur
11%
methane
11%
analogs
9%
degradation
9%
carbon
8%
water
6%
cells
6%
gases
6%
Agriculture & Biology
bitumen
79%
deserts
57%
hydrocarbons
55%
liquids
41%
lakes
39%
seepage
34%
Trinidad and Tobago
30%
microbial communities
23%
biotic potential
19%
biogeochemistry
18%
volcanoes
16%
microbial ecology
15%
oil fields
14%
chemical compounds
13%
bacteria
13%
Archaea
12%
water activity
12%
nitrites
12%
petroleum
11%
methane
11%
branching
11%
sulfur
10%
gases
9%
carbon
7%
oils
7%
nucleotide sequences
7%
biomass
7%
degradation
7%
metabolism
7%
cells
3%
Medicine & Life Sciences
asphalt
100%
Hydrocarbons
76%
Lakes
60%
Saturn
39%
Trinidad and Tobago
36%
Microbiota
23%
Oil and Gas Fields
18%
Tars
16%
AIDS-Related Complex
16%
Methane
16%
Petroleum
16%
Bacteria
16%
Biomass
14%
Archaea
14%
Ecology
14%
Sulfur
14%
Nitrites
13%
Oils
12%
Carbon
11%
Gases
10%
Water
8%
Pressure
7%
Genes
4%
Earth & Environmental Sciences
asphalt
68%
desert
49%
hydrocarbon
41%
liquid
36%
lake
28%
seepage
22%
microbial community
20%
mud volcano
15%
bacterium
15%
microbial ecology
15%
Titan
14%
chemical compound
14%
matrix
14%
tar
13%
oil well
13%
biogeochemistry
13%
Moon
11%
nitrite
11%
mud
10%
metabolism
10%
marker
10%
petroleum
9%
gene
9%
methane
9%
sulfur
9%
substrate
8%
degradation
7%
cell
7%
biomass
7%
oil
7%
carbon
6%
gas
6%
modeling
5%
water
3%