Physics & Astronomy
cosmic ray showers
79%
Bolivia
65%
solar neutrons
44%
cosmic rays
37%
observatories
34%
detectors
31%
primary cosmic rays
23%
gamma rays
18%
energy
18%
flares
16%
muons
16%
showers
15%
mountains
15%
solar flares
14%
oscillators
14%
synchronism
14%
hadrons
13%
high altitude
13%
neutrons
12%
Southern Hemisphere
11%
interactions
11%
solitary waves
10%
aerosols
10%
solar cycles
10%
rays
10%
simulation
10%
emulsions
9%
atmospheres
9%
water
8%
bursts
8%
optical radar
8%
Mexico
8%
synthesis
8%
chambers
8%
chemical composition
7%
sky
7%
stations
7%
wetlands
7%
radiation counters
6%
fireflies
6%
calorimeters
6%
sea level
6%
water vapor
6%
Landau-Ginzburg equations
6%
magnetic monopoles
6%
astronomy
6%
protons
6%
sensitivity
6%
telescopes
5%
gamma ray bursts
5%
physics
5%
neutron emission
5%
monitors
5%
prototypes
5%
synthesis gas
5%
nuclear interactions
5%
halos
5%
atmospheric radiation
5%
photons
5%
energy spectra
5%
fiber lasers
5%
performance
5%
zeolites
5%
Earth & Environmental Sciences
lake
23%
arsenic
23%
mercury
17%
aerosol
16%
methylmercury
16%
station
16%
bird
16%
basin
16%
periphyton
15%
South America
13%
troposphere
10%
trace element
10%
groundwater
10%
dry season
10%
surface water
10%
cactus
10%
wet season
9%
methylation
9%
particle
9%
phylogenetics
9%
river
9%
observatory
9%
air mass
7%
macrophyte
7%
biomass burning
7%
valley
7%
seed
7%
sediment
7%
black carbon
7%
detector
7%
home range
7%
climate
7%
ant
6%
air
6%
gamma radiation
6%
dolphin
6%
atmosphere
6%
radiation
6%
high mountain
6%
distribution
6%
fish
6%
species richness
6%
exposure
6%
lake basin
6%
cerrado
6%
macroinvertebrate
6%
habitat
6%
water vapor
5%
city
5%
comparison
5%
glacier
5%
water
5%
analysis
5%
mountain
5%
pollination
5%
drinking water
5%
index
5%
floodplain
5%
passerine
5%
ultraviolet radiation
5%
aquifer
5%
antimony
5%
disturbance
5%
bird species
5%
diet
5%
electromagnetic radiation
5%
boundary layer
5%
gene
5%
microhabitat
5%
trace metal
5%
Agriculture & Biology
Bolivia
100%
alpacas
15%
Lake Titicaca
14%
dolphins
14%
rivers
13%
birds
13%
habitats
13%
llamas
12%
vicunas
11%
genetic variation
11%
Camelidae
10%
valleys
10%
montane forests
10%
Inia
10%
antioxidants
9%
species richness
9%
species diversity
9%
seeds
8%
home range
8%
phylogeny
8%
phenolic compounds
8%
Nothura
7%
lakes
7%
Microtus
7%
fractionation
7%
Chenopodium pallidicaule
7%
niches
7%
Lycalopex culpaeus
7%
Oligoryzomys
7%
Tremarctos ornatus
6%
basins
6%
Arecaceae
6%
Prosopis alba
6%
rodents
6%
Andes region
6%
tropical forests
6%
soil classification
6%
cerrado
6%
agroforestry
6%
water vapor
6%
deforestation
6%
Cactaceae
6%
Thraupidae
5%
microsatellite repeats
5%
monkeys
5%
microhabitats
5%
ecosystems
5%
Sigmodontinae
5%
roads
5%
flora
5%
urbanization
5%
macrophytes
5%
wines
5%
conservation areas
5%
sampling
5%
crops
5%
Argentina
5%
seed dispersal
5%
Formicidae
5%
periphyton
5%
mercury
5%
methodology
5%
mitochondrial DNA
5%
ultraviolet radiation
5%