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See more studies on Southern Hemisphere and...
How is this determined?
The order of these related concepts is determined by a statistical analysis of the scientific literature. Highest-frequency concepts appear first.
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Northern Hemisphere 289 influenza 150 tropical 146 water 143 winter 137 summer 106 radiation 77 fish 48 climate change 45 antarctica 44 vaccination 35 ozone 34 soil 33 environment 32 lead 32 dates 31 precipitation 29 blood 28 Death 27 freshwater 26 oscillation 24 fishes 24 skin 22 stratospheric 22 emissions 20 weather 20 |
pollution 19 vaccines 19 Pacific Ocean 19 Schizophrenia 17 CO2 15 pollen 13 lakes 13 Pneumonia 11 Atlantic Ocean 11 solar radiation 10 Iron 10 Mercury 10 global warming 10 Vitamin 10 ice sheets 9 Enzymes 9 nitrogen 9 diabetes 9 stratospheric ozone 8 biodiversity 8 eggs 8 Epilepsy 8 eucalyptus 8 oysters 8 Fever 8 |
