Earth & Environmental Sciences
Mars
61%
science
43%
timescale
30%
mineral
23%
gas
20%
quarantine
19%
material
18%
loss
10%
targeting
9%
temporary storage
9%
lithification
9%
clay mineral
9%
sample preparation
7%
oxidation-reduction
7%
crystallinity
7%
laboratory
7%
sulfate
7%
cementation
6%
analysis
6%
relative humidity
5%
stabilization
5%
surface area
5%
biological analysis
5%
temperature
5%
recommendation
4%
rock
4%
Martian atmosphere
4%
volcanic glass
4%
degradation
4%
perchlorate
4%
ripening
4%
opal
4%
atmosphere
3%
history
3%
regolith
3%
phase transition
3%
solar system
3%
formaldehyde
3%
oxidant
3%
reaction rate
3%
pressure gradient
3%
instrumentation
3%
irradiation
3%
freezing
2%
organic compound
2%
spacing
2%
humidity
2%
protocol
2%
DNA
2%
grain size
2%
warming
2%
glass
2%
attribute
2%
safety
2%
salt
2%
organism
2%
contamination
2%
planning
2%
cell
2%
in situ
2%
exposure
1%
air
1%
experiment
1%
method
0%
Medicine & Life Sciences
Mars
100%
Minerals
51%
Gases
33%
Quarantine
19%
Sterilization
15%
Clay
13%
Oxidation-Reduction
12%
Atmosphere
11%
Humidity
11%
Sulfates
10%
Temperature
9%
Cementation
9%
Focus Groups
6%
Nanoparticles
5%
perchlorate
5%
Pressure
4%
Phase Transition
4%
Solar System
3%
Oxidants
3%
Freezing
3%
Powders
3%
Glass
3%
Formaldehyde
3%
Salts
2%
Air
2%
Hot Temperature
2%
X-Rays
2%
History
2%
Safety
1%
DNA
1%
Physics & Astronomy
mars
78%
minerals
27%
tubes
12%
gas composition
10%
organic materials
7%
gases
6%
clays
5%
sulfates
5%
humidity
5%
sensitivity
5%
cementation
5%
rocks
5%
irreversible processes
4%
recommendations
3%
atmospheres
3%
solid phases
3%
interlayers
3%
nanocrystals
3%
crystallinity
3%
stabilization
2%
histories
2%
oxidation
2%
preparation
2%
bioassay
2%
volcanology
2%
perchlorates
2%
regolith
2%
formaldehyde
2%
organic compounds
2%
temperature
2%
amorphous materials
2%
transit
1%
organisms
1%
molecules
1%
solar system
1%
freezing
1%
pressure gradients
1%
preserving
1%
arrivals
1%
planning
1%
safety
1%
isolation
1%
proportion
1%
deoxyribonucleic acid
1%
reaction kinetics
1%
salts
1%
contamination
1%
heat treatment
1%
chambers
1%
grain size
1%
irradiation
1%
heating
1%
air
1%
glass
1%
x rays
0%
Agriculture & Biology
sampling
23%
headspace analysis
19%
gases
15%
minerals
13%
seals
8%
quarantine
7%
clay minerals
7%
sulfate minerals
6%
rocks
5%
focus groups
4%
nanocrystals
4%
degradation
4%
surface area
3%
regolith
3%
relative humidity
3%
biocontainment
2%
temperature
2%
opal
2%
oxidation
2%
perchlorates
2%
safety assessment
2%
water
2%
instrumentation
2%
phase transition
1%
organic compounds
1%
formaldehyde
1%
volatile compounds
1%
oxidants
1%
gamma radiation
1%
mineral content
1%
planning
1%
X-radiation
1%
freezing
1%
humidity
1%
ripening
1%
sulfates
1%
glass
1%
spatial distribution
1%
heat treatment
1%
powders
1%
carbon dioxide
1%
history
1%
protocols
1%
salts
1%
air
1%
organisms
1%
DNA
0%
cells
0%
methodology
0%