Physics & Astronomy
galaxies
100%
stars
63%
collisions
60%
detectors
51%
telescopes
45%
luminosity
45%
planets
40%
quarks
37%
quasars
36%
dust
36%
decay
32%
star formation
26%
supernovae
25%
energy
24%
bosons
24%
Hubble Space Telescope
24%
spectroscopy
22%
cross sections
22%
protons
22%
extrasolar planets
21%
mars
21%
leptons
21%
interactions
21%
simulation
21%
transverse momentum
20%
Higgs bosons
20%
asteroids
20%
gases
19%
wavelengths
19%
electrons
18%
atmospheres
18%
observatories
18%
molecules
18%
hadrons
17%
x rays
17%
cameras
17%
estimates
17%
halos
17%
radii
17%
predictions
17%
Jupiter (planet)
17%
color
17%
photometry
16%
active galactic nuclei
16%
debris
16%
histories
16%
Titan
15%
continuums
15%
orbitals
15%
high resolution
15%
photons
15%
dark energy
15%
orbits
15%
quantum chromodynamics
15%
metallicity
15%
ice
14%
rings
14%
stellar mass
14%
muons
14%
adaptive optics
14%
water
13%
James Webb Space Telescope
13%
confidence
13%
catalogs
13%
shock
13%
star formation rate
13%
time measurement
13%
pulses
13%
kinematics
13%
profiles
13%
universe
12%
temperature
12%
mirrors
12%
dark matter
12%
center of mass
12%
pair production
12%
performance
12%
excitation
12%
dwarf galaxies
12%
metals
11%
spectral energy distribution
11%
physics
11%
light curve
11%
signatures
11%
spectrographs
11%
tectonics
11%
characterization
11%
scattering
11%
spectrometers
11%
atoms
11%
polarization
11%
hydrogen
11%
probes
10%
rocks
10%
magnetic fields
10%
brightness
10%
cavities
10%
nuclei
10%
albedo
10%
lasers
10%
Earth & Environmental Sciences
luminosity
57%
planet
42%
dust
39%
distribution
26%
gas
25%
energy
25%
rate
25%
near infrared
25%
simulation
24%
Mars
23%
detection
22%
wavelength
22%
climate
21%
accretion
21%
spectroscopy
21%
young
21%
tree ring
20%
atmosphere
20%
temperature
20%
radio
19%
asteroid
19%
history
19%
effect
19%
analysis
19%
parameter
18%
basin
18%
modeling
17%
Jupiter
17%
zircon
17%
observatory
17%
soil
16%
transition
15%
water
15%
Titan
15%
particle
13%
science
13%
merger
13%
comparison
13%
prediction
13%
probe
13%
calibration
12%
method
12%
test
12%
experiment
12%
timescale
12%
plateau
11%
mountain
11%
kinematics
11%
outflow
11%
material
11%
magnetic field
11%
crater
11%
drought
11%
ice
11%
spectrometer
11%
hydrogen
11%
geochronology
10%
metal
10%
cold
10%
chronology
10%
terrane
10%
carbon
10%
groundwater
10%
rock
9%
lake
9%
radiation
9%
chemical
9%
trend
9%
tracer
9%
soil moisture
9%
cosmic ray
9%
cooling
9%
aerosol
9%
river
9%
desert
9%
monsoon
9%
sediment
9%
Saturn
9%
aquifer
9%
solar system
9%
tectonics
8%
extinction
8%
cosmology
8%
climate change
8%
spacecraft
8%
albedo
8%
porous medium
8%
isotope
8%
energetics
8%
scattering
8%
vegetation
8%
loss
8%
Cretaceous
8%
program
8%
explosion
8%
ion
8%
project
8%
shell
8%
erg
7%
phylogenetics
7%
Medicine & Life Sciences
Sleep
20%
Memory
19%
Brain
17%
Connectin
16%
Manduca
16%
Neurons
16%
Genes
16%
Proteins
15%
Genome
15%
Language
15%
Learning
13%
Melanocyte-Stimulating Hormones
13%
Peptides
13%
Insecta
13%
Ligands
12%
Population
12%
Moths
12%
Ecosystem
11%
Muscles
11%
Climate
10%
Water
10%
Emotions
10%
Child
10%
Temperature
9%
Depression
9%
Opioid Receptors
9%
Soil
9%
Oryza
9%
Psychology
9%
Phylogeny
8%
Carbon
8%
Hippocampus
8%
Semantics
7%
Cues
7%
Health
7%
Mutation
7%
Light
7%
Drosophila
7%
Arabidopsis
7%
Animals
7%
Aptitude
7%
DNA
7%
Ecology
7%
Growth
7%
Amino Acids
6%
Alzheimer Disease
6%
Oceans and Seas
6%
Membranes
6%
Magnetic Resonance Imaging
6%
Metals
6%
Sarcomeres
6%
Forests
6%
Cognition
6%
Sleep Initiation and Maintenance Disorders
6%
Students
6%
Planets
6%
Electrons
6%
Direction compound
6%
Life History Traits
6%
Diptera
6%
Opioid Analgesics
6%
Melanocortin Receptors
6%
Psychology Recognition
6%
Mushroom Bodies
6%
Temporal Lobe
6%
Datasets
5%
Neoplasms
5%
Mars
5%
nebulin
5%
Climate Change
5%
Anxiety
5%
Hispanic Americans
5%
Odorants
5%
Episodic Memory
5%
Therapeutics
5%
Skeletal Muscle
5%
Individuality
5%
Mortality
5%
Oxygen
5%
Spectrum Analysis
5%
Linguistics
5%
Enzymes
5%
Phenotype
5%
Prefrontal Cortex
5%
Droughts
5%
Theoretical Models
5%
D-Penicillamine (2,5)-Enkephalin
5%
Axons
5%
Young Adult
5%