Related by context. Frequent words. (Click for all words.) 51 hibernators 49 cold blooded creatures 49 hibernate 46 Scott Shalaway 46 Serreze 46 Hibernating 45 Jonathan Patz 45 endothermic 43 Olivier Rabin 43 ° Fahrenheit 43 Beth Abramson 43 hibernating 43 Trichopoulos 42 metabolism slows 42 Jane Wardle 42 Robock 42 circadian clocks 42 Jakosky 42 chronobiology 42 respire 42 Norris Geyser Basin 42 Pericak Vance 41 predator prey relationship 41 insect eaters 41 temperate climates 41 Priscu 41 Czeisler 41 nematode worms 41 Dust mites 41 supersolid 41 circadian cycle 41 biogeochemical cycles 41 naked mole rats 41 cold climates 41 organismal 41 Poinar 40 Install programmable thermostat 40 Gary Nabel 40 wintertime 40 humid climates 40 Nancy Rabalais 40 fruitflies 40 Ice Ages 40 warmer winters 40 pocket gophers 40 Scientifically speaking 40 temperate zones 40 Biogeography 40 pikas 40 Winkelmayer 40 fume hood 40 Todey 40 Lushine 40 Rahmstorf 40 Hoffmayer 40 Circadian rhythms 40 Stay hydrated 40 Elizabeth G. Nabel 40 El Nino La Nina 40 Dr. Allison McGeer 40 hibernates 39 reproduce asexually 39 Tarduno 39 Huettel 39 Pellitteri 39 Paul Montagna marine 39 Migrating birds 39 Deisseroth 39 snowshoe hares 39 Merzenich 39 Poldrack 39 Sara Seager 39 diapause 39 Sinervo 39 Bruce Goldberger 39 Oceanographers 39 equatorial regions 39 marine iguanas 39 temperate regions 39 Ken Caldeira 39 Zachos 39 warmer temperatures 39 upwellings 39 Kiecolt Glaser 39 Pergams 38 Alfred McEwen 38 dehumidify 38 microbial ecology 38 foraminifera 38 paleobiologist 38 hydrologic cycle 38 basal metabolic rate 38 Changnon 38 Jennifer Schack 6News 38 decomposers 38 Hueter 38 Maslanik 38 auklets 38 oxygen isotope 38 WASP #b 38 biorhythms