Body TemperatureBody Temperature RegulationTemperatureHypothermiaCold TemperatureHot TemperatureTelemetrySkin TemperatureThermometersThermometryCircadian RhythmFeverDimensional Measurement AccuracyHeat Stress DisordersHibernationThermographyThermogenesisRewarmingSciuridaeSweatingJet Lag SyndromeMelatoninPreoptic AreaSleepWakefulnessEnergy MetabolismSeasonsHypothermia, InducedMotor ActivityEatingTime FactorsHumidityHypothalamusAdipose Tissue, BrownHeart RateShiveringThermosensingBody WeightAnalysis of VarianceRats, Sprague-DawleyMice, Inbred C57BLHeatingLightSleep, REMHeat StrokeAcclimatizationImmersionThermoreceptorsElectroencephalographyClimateClothingWaterOxygen ConsumptionInfrared RaysN-Methyl-3,4-methylenedioxyamphetamineEnvironment, ControlledRespirationBasal MetabolismWater Loss, InsensibleThermodynamicsFreezingComb and WattlesPyrogensPreservation, BiologicalStress, PhysiologicalHydrogen-Ion ConcentrationAdaptation, PhysiologicalMice, KnockoutThermal ConductivityKineticsEnvironmentRectumSpecimen HandlingTransition TemperatureBehavior, AnimalHousing, AnimalDrug StorageScrotumMolecular Sequence DataWeatherSwineRefrigerationPhotoperiodCarbon DioxideCalorimetry, Differential ScanningHeat-Shock ResponseAirCattleGlobal WarmingMutationClimate ChangeTropical ClimateAntipyreticsInjections, IntraventricularDrug StabilityHeat ExhaustionSkin Physiological PhenomenaDrinkingModels, BiologicalCold Climate