Earth & Environmental Sciences
early Earth
79%
thermal spring
70%
biosphere
62%
community composition
58%
chemoautotrophy
54%
silica
49%
productivity
43%
biomass
38%
microbial community
17%
substrate
14%
hydrothermal deposit
14%
photooxidation
12%
history
11%
photosynthesis
10%
niche
9%
Archean
9%
national park
9%
planet
9%
sulfur
7%
electron
7%
energy
5%
parameter
3%
water
3%
Medicine & Life Sciences
Hot Springs
100%
Biomass
77%
Silicon Dioxide
71%
Chemoautotrophic Growth
63%
Microbiota
20%
Oxidation-Reduction
20%
Recreational Parks
16%
Planets
15%
History
15%
Photosynthesis
15%
Sulfur
12%
Electrons
8%
Water
6%
Physics & Astronomy
biosphere
99%
biomass
81%
productivity
74%
silicon dioxide
47%
Yellowstone National Park (ID-MT-WY)
22%
histories
17%
photooxidation
14%
photosynthesis
13%
availability
10%
sulfur
9%
delivery
9%
planets
9%
deposits
9%
occurrences
8%
water
5%
electrons
4%
energy
3%
Agriculture & Biology
hot springs
78%
biosphere
75%
silica
63%
biomass
38%
autotrophs
23%
microbial communities
19%
history
15%
redox reactions
14%
photooxidation
13%
national parks
9%
niches
9%
sulfur
8%
photosynthesis
7%
iron
7%
electrons
7%
energy
6%
water
4%
Chemical Compounds
Photosynthesis
14%
Photooxidation
12%
Electron Acceptor
11%
Redox Reactions
11%
Electron Donor
11%
Red
8%
Energy
5%
Time
4%
Surface
3%