Body TemperatureBody Temperature RegulationSkin TemperatureCold TemperatureThermometersTemperatureHot TemperatureHypothermiaFeverHibernationTelemetryShiveringThermographyCircadian RhythmSciuridaeThermogenesisThermometryTime FactorsSweatingHumidityHeat Stress DisordersHypothermia, InducedSeasonsHeatingAntipyreticsImmersionPyrogensRectumMotor ActivityPreoptic AreaThermosensingIncubators, InfantEnergy MetabolismDeep Brain Stimulation