Physics & Astronomy
radiolysis
80%
mars
78%
ground water
77%
sulfates
71%
SNC meteorites
49%
microorganisms
47%
rocks
38%
cells
28%
sulfides
28%
biosphere
21%
nutrients
17%
metabolism
16%
energy
15%
bacteria
14%
radioactive isotopes
13%
oxidation
9%
porosity
9%
hydrogen
8%
water
7%
matrices
7%
Medicine & Life Sciences
Mars
100%
Groundwater
78%
Sulfates
73%
Oxidation-Reduction
51%
Meteoroids
50%
Sulfides
35%
Cell Count
30%
Oxidants
27%
Reducing Agents
16%
Hydrogen
15%
Radioisotopes
13%
Nutrients
11%
Bacteria
9%
Water
8%
Agriculture & Biology
radiolysis
99%
groundwater
57%
sulfates
45%
rocks
38%
energy
31%
sulfides
29%
microorganisms
26%
oxidants
26%
sulfate-reducing bacteria
17%
cells
16%
biosphere
16%
radionuclides
14%
reducing agents
14%
hydrogen
12%
oxidation
9%
nutrients
7%
metabolism
7%
water
5%
Earth & Environmental Sciences
Mars
61%
Martian meteorite
37%
sulfate
37%
cell
32%
groundwater
32%
microorganism
30%
oxidant
27%
energy
25%
sulfide
20%
rock
19%
sulfate-reducing bacterium
14%
biosphere
13%
radionuclide
11%
porewater
11%
metabolism
11%
hydrogen
10%
substrate
9%
oxidation
8%
nutrient
8%
matrix
7%